The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
772 lines
19 KiB
C
772 lines
19 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2005-2007, Joseph Koshy
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* Copyright (c) 2007 The FreeBSD Foundation
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* All rights reserved.
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*
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* Portions of this software were developed by A. Joseph Koshy under
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* sponsorship from the FreeBSD Foundation and Google, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Transform a hwpmc(4) log into human readable form, and into
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* gprof(1) compatible profiles.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/endian.h>
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#include <sys/cpuset.h>
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#include <sys/gmon.h>
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#include <sys/imgact_aout.h>
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#include <sys/imgact_elf.h>
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#include <sys/mman.h>
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#include <sys/pmc.h>
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#include <sys/queue.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <netinet/in.h>
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#include <assert.h>
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#include <curses.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <gelf.h>
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#include <libgen.h>
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#include <limits.h>
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#include <netdb.h>
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#include <pmc.h>
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#include <pmclog.h>
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#include <sysexits.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "pmcstat.h"
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#include "pmcstat_log.h"
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#include "pmcstat_top.h"
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/*
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* PUBLIC INTERFACES
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*
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* pmcstat_initialize_logging() initialize this module, called first
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* pmcstat_shutdown_logging() orderly shutdown, called last
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* pmcstat_open_log() open an eventlog for processing
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* pmcstat_process_log() print/convert an event log
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* pmcstat_display_log() top mode display for the log
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* pmcstat_close_log() finish processing an event log
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*
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* IMPLEMENTATION NOTES
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*
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* We correlate each 'callchain' or 'sample' entry seen in the event
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* log back to an executable object in the system. Executable objects
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* include:
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* - program executables,
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* - shared libraries loaded by the runtime loader,
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* - dlopen()'ed objects loaded by the program,
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* - the runtime loader itself,
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* - the kernel and kernel modules.
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*
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* Each process that we know about is treated as a set of regions that
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* map to executable objects. Processes are described by
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* 'pmcstat_process' structures. Executable objects are tracked by
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* 'pmcstat_image' structures. The kernel and kernel modules are
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* common to all processes (they reside at the same virtual addresses
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* for all processes). Individual processes can have their text
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* segments and shared libraries loaded at process-specific locations.
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*
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* A given executable object can be in use by multiple processes
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* (e.g., libc.so) and loaded at a different address in each.
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* pmcstat_pcmap structures track per-image mappings.
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*
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* The sample log could have samples from multiple PMCs; we
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* generate one 'gmon.out' profile per PMC.
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*
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* IMPLEMENTATION OF GMON OUTPUT
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*
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* Each executable object gets one 'gmon.out' profile, per PMC in
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* use. Creation of 'gmon.out' profiles is done lazily. The
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* 'gmon.out' profiles generated for a given sampling PMC are
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* aggregates of all the samples for that particular executable
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* object.
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*
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* IMPLEMENTATION OF SYSTEM-WIDE CALLGRAPH OUTPUT
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*
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* Each active pmcid has its own callgraph structure, described by a
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* 'struct pmcstat_callgraph'. Given a process id and a list of pc
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* values, we map each pc value to a tuple (image, symbol), where
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* 'image' denotes an executable object and 'symbol' is the closest
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* symbol that precedes the pc value. Each pc value in the list is
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* also given a 'rank' that reflects its depth in the call stack.
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*/
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struct pmcstat_pmcs pmcstat_pmcs = LIST_HEAD_INITIALIZER(pmcstat_pmcs);
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/*
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* All image descriptors are kept in a hash table.
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*/
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struct pmcstat_image_hash_list pmcstat_image_hash[PMCSTAT_NHASH];
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/*
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* All process descriptors are kept in a hash table.
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*/
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struct pmcstat_process_hash_list pmcstat_process_hash[PMCSTAT_NHASH];
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struct pmcstat_stats pmcstat_stats; /* statistics */
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static int ps_samples_period; /* samples count between top refresh. */
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struct pmcstat_process *pmcstat_kernproc; /* kernel 'process' */
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#include "pmcpl_gprof.h"
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#include "pmcpl_callgraph.h"
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#include "pmcpl_annotate.h"
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#include "pmcpl_annotate_cg.h"
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#include "pmcpl_calltree.h"
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static struct pmc_plugins plugins[] = {
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{
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.pl_name = "none",
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},
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{
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.pl_name = "callgraph",
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.pl_init = pmcpl_cg_init,
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.pl_shutdown = pmcpl_cg_shutdown,
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.pl_process = pmcpl_cg_process,
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.pl_topkeypress = pmcpl_cg_topkeypress,
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.pl_topdisplay = pmcpl_cg_topdisplay
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},
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{
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.pl_name = "gprof",
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.pl_shutdown = pmcpl_gmon_shutdown,
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.pl_process = pmcpl_gmon_process,
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.pl_initimage = pmcpl_gmon_initimage,
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.pl_shutdownimage = pmcpl_gmon_shutdownimage,
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.pl_newpmc = pmcpl_gmon_newpmc
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},
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{
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.pl_name = "annotate",
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.pl_process = pmcpl_annotate_process
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},
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{
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.pl_name = "calltree",
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.pl_configure = pmcpl_ct_configure,
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.pl_init = pmcpl_ct_init,
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.pl_shutdown = pmcpl_ct_shutdown,
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.pl_process = pmcpl_ct_process,
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.pl_topkeypress = pmcpl_ct_topkeypress,
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.pl_topdisplay = pmcpl_ct_topdisplay
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},
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{
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.pl_name = "annotate_cg",
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.pl_process = pmcpl_annotate_cg_process
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},
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{
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.pl_name = NULL
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}
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};
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static int pmcstat_mergepmc;
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int pmcstat_pmcinfilter = 0; /* PMC filter for top mode. */
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float pmcstat_threshold = 0.5; /* Cost filter for top mode. */
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/*
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* Prototypes
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*/
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static void pmcstat_stats_reset(int _reset_global);
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/*
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* PMC count.
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*/
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int pmcstat_npmcs;
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/*
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* PMC Top mode pause state.
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*/
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static int pmcstat_pause;
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static void
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pmcstat_stats_reset(int reset_global)
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{
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struct pmcstat_pmcrecord *pr;
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/* Flush PMCs stats. */
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LIST_FOREACH(pr, &pmcstat_pmcs, pr_next) {
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pr->pr_samples = 0;
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pr->pr_dubious_frames = 0;
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}
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ps_samples_period = 0;
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/* Flush global stats. */
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if (reset_global)
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bzero(&pmcstat_stats, sizeof(struct pmcstat_stats));
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}
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/*
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* Resolve file name and line number for the given address.
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*/
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int
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pmcstat_image_addr2line(struct pmcstat_image *image, uintfptr_t addr,
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char *sourcefile, size_t sourcefile_len, unsigned *sourceline,
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char *funcname, size_t funcname_len)
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{
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static int addr2line_warn = 0;
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char *sep, cmdline[PATH_MAX], imagepath[PATH_MAX];
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unsigned l;
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int fd;
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if (image->pi_addr2line == NULL) {
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/* Try default debug file location. */
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snprintf(imagepath, sizeof(imagepath),
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"/usr/lib/debug/%s%s.debug",
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args.pa_fsroot,
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pmcstat_string_unintern(image->pi_fullpath));
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fd = open(imagepath, O_RDONLY);
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if (fd < 0) {
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/* Old kernel symbol path. */
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snprintf(imagepath, sizeof(imagepath), "%s%s.symbols",
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args.pa_fsroot,
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pmcstat_string_unintern(image->pi_fullpath));
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fd = open(imagepath, O_RDONLY);
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if (fd < 0) {
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snprintf(imagepath, sizeof(imagepath), "%s%s",
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args.pa_fsroot,
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pmcstat_string_unintern(
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image->pi_fullpath));
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}
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}
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if (fd >= 0)
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close(fd);
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/*
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* New addr2line support recursive inline function with -i
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* but the format does not add a marker when no more entries
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* are available.
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*/
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snprintf(cmdline, sizeof(cmdline), "addr2line -Cfe \"%s\"",
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imagepath);
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image->pi_addr2line = popen(cmdline, "r+");
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if (image->pi_addr2line == NULL) {
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if (!addr2line_warn) {
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addr2line_warn = 1;
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warnx(
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"WARNING: addr2line is needed for source code information."
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);
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}
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return (0);
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}
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}
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if (feof(image->pi_addr2line) || ferror(image->pi_addr2line)) {
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warnx("WARNING: addr2line pipe error");
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pclose(image->pi_addr2line);
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image->pi_addr2line = NULL;
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return (0);
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}
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fprintf(image->pi_addr2line, "%p\n", (void *)addr);
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if (fgets(funcname, funcname_len, image->pi_addr2line) == NULL) {
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warnx("WARNING: addr2line function name read error");
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return (0);
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}
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sep = strchr(funcname, '\n');
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if (sep != NULL)
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*sep = '\0';
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if (fgets(sourcefile, sourcefile_len, image->pi_addr2line) == NULL) {
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warnx("WARNING: addr2line source file read error");
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return (0);
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}
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sep = strchr(sourcefile, ':');
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if (sep == NULL) {
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warnx("WARNING: addr2line source line separator missing");
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return (0);
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}
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*sep = '\0';
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l = atoi(sep+1);
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if (l == 0)
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return (0);
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*sourceline = l;
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return (1);
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}
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/*
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* Given a pmcid in use, find its human-readable name.
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*/
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const char *
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pmcstat_pmcid_to_name(pmc_id_t pmcid)
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{
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struct pmcstat_pmcrecord *pr;
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LIST_FOREACH(pr, &pmcstat_pmcs, pr_next)
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if (pr->pr_pmcid == pmcid)
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return (pmcstat_string_unintern(pr->pr_pmcname));
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return NULL;
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}
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/*
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* Convert PMC index to name.
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*/
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const char *
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pmcstat_pmcindex_to_name(int pmcin)
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{
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struct pmcstat_pmcrecord *pr;
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LIST_FOREACH(pr, &pmcstat_pmcs, pr_next)
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if (pr->pr_pmcin == pmcin)
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return pmcstat_string_unintern(pr->pr_pmcname);
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return NULL;
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}
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/*
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* Return PMC record with given index.
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*/
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struct pmcstat_pmcrecord *
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pmcstat_pmcindex_to_pmcr(int pmcin)
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{
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struct pmcstat_pmcrecord *pr;
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LIST_FOREACH(pr, &pmcstat_pmcs, pr_next)
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if (pr->pr_pmcin == pmcin)
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return pr;
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return NULL;
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}
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/*
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* Print log entries as text.
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*/
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static int
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pmcstat_print_log(void)
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{
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struct pmclog_ev ev;
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uint32_t npc;
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while (pmclog_read(args.pa_logparser, &ev) == 0) {
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assert(ev.pl_state == PMCLOG_OK);
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switch (ev.pl_type) {
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case PMCLOG_TYPE_CALLCHAIN:
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PMCSTAT_PRINT_ENTRY("callchain",
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"%d 0x%x %d %d %c", ev.pl_u.pl_cc.pl_pid,
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ev.pl_u.pl_cc.pl_pmcid,
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PMC_CALLCHAIN_CPUFLAGS_TO_CPU(ev.pl_u.pl_cc. \
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pl_cpuflags), ev.pl_u.pl_cc.pl_npc,
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PMC_CALLCHAIN_CPUFLAGS_TO_USERMODE(ev.pl_u.pl_cc.\
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pl_cpuflags) ? 'u' : 's');
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for (npc = 0; npc < ev.pl_u.pl_cc.pl_npc; npc++)
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PMCSTAT_PRINT_ENTRY("...", "%p",
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(void *) ev.pl_u.pl_cc.pl_pc[npc]);
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break;
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case PMCLOG_TYPE_CLOSELOG:
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PMCSTAT_PRINT_ENTRY("closelog",);
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break;
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case PMCLOG_TYPE_DROPNOTIFY:
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PMCSTAT_PRINT_ENTRY("drop",);
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break;
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case PMCLOG_TYPE_INITIALIZE:
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PMCSTAT_PRINT_ENTRY("initlog","0x%x \"%s\"",
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ev.pl_u.pl_i.pl_version,
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pmc_name_of_cputype(ev.pl_u.pl_i.pl_arch));
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if ((ev.pl_u.pl_i.pl_version & 0xFF000000) !=
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PMC_VERSION_MAJOR << 24)
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warnx(
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"WARNING: Log version 0x%x != expected version 0x%x.",
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ev.pl_u.pl_i.pl_version, PMC_VERSION);
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break;
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case PMCLOG_TYPE_MAP_IN:
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PMCSTAT_PRINT_ENTRY("map-in","%d %p \"%s\"",
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ev.pl_u.pl_mi.pl_pid,
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(void *) ev.pl_u.pl_mi.pl_start,
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ev.pl_u.pl_mi.pl_pathname);
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break;
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case PMCLOG_TYPE_MAP_OUT:
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PMCSTAT_PRINT_ENTRY("map-out","%d %p %p",
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ev.pl_u.pl_mo.pl_pid,
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(void *) ev.pl_u.pl_mo.pl_start,
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(void *) ev.pl_u.pl_mo.pl_end);
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break;
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case PMCLOG_TYPE_PMCALLOCATE:
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PMCSTAT_PRINT_ENTRY("allocate","0x%x \"%s\" 0x%x",
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ev.pl_u.pl_a.pl_pmcid,
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ev.pl_u.pl_a.pl_evname,
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ev.pl_u.pl_a.pl_flags);
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break;
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case PMCLOG_TYPE_PMCALLOCATEDYN:
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PMCSTAT_PRINT_ENTRY("allocatedyn","0x%x \"%s\" 0x%x",
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ev.pl_u.pl_ad.pl_pmcid,
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ev.pl_u.pl_ad.pl_evname,
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ev.pl_u.pl_ad.pl_flags);
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break;
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case PMCLOG_TYPE_PMCATTACH:
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PMCSTAT_PRINT_ENTRY("attach","0x%x %d \"%s\"",
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ev.pl_u.pl_t.pl_pmcid,
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ev.pl_u.pl_t.pl_pid,
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ev.pl_u.pl_t.pl_pathname);
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break;
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case PMCLOG_TYPE_PMCDETACH:
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PMCSTAT_PRINT_ENTRY("detach","0x%x %d",
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ev.pl_u.pl_d.pl_pmcid,
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ev.pl_u.pl_d.pl_pid);
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break;
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case PMCLOG_TYPE_PROCCSW:
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PMCSTAT_PRINT_ENTRY("cswval","0x%x %d %jd",
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ev.pl_u.pl_c.pl_pmcid,
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ev.pl_u.pl_c.pl_pid,
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ev.pl_u.pl_c.pl_value);
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break;
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case PMCLOG_TYPE_PROC_CREATE:
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PMCSTAT_PRINT_ENTRY("create","%d %x \"%s\"",
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ev.pl_u.pl_pc.pl_pid,
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ev.pl_u.pl_pc.pl_flags,
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ev.pl_u.pl_pc.pl_pcomm);
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break;
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case PMCLOG_TYPE_PROCEXEC:
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PMCSTAT_PRINT_ENTRY("exec","0x%x %d %p \"%s\"",
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ev.pl_u.pl_x.pl_pmcid,
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ev.pl_u.pl_x.pl_pid,
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(void *) ev.pl_u.pl_x.pl_entryaddr,
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ev.pl_u.pl_x.pl_pathname);
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break;
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case PMCLOG_TYPE_PROCEXIT:
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PMCSTAT_PRINT_ENTRY("exitval","0x%x %d %jd",
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ev.pl_u.pl_e.pl_pmcid,
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ev.pl_u.pl_e.pl_pid,
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ev.pl_u.pl_e.pl_value);
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break;
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case PMCLOG_TYPE_PROCFORK:
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PMCSTAT_PRINT_ENTRY("fork","%d %d",
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ev.pl_u.pl_f.pl_oldpid,
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ev.pl_u.pl_f.pl_newpid);
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break;
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case PMCLOG_TYPE_USERDATA:
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|
PMCSTAT_PRINT_ENTRY("userdata","0x%x",
|
|
ev.pl_u.pl_u.pl_userdata);
|
|
break;
|
|
case PMCLOG_TYPE_SYSEXIT:
|
|
PMCSTAT_PRINT_ENTRY("exit","%d",
|
|
ev.pl_u.pl_se.pl_pid);
|
|
break;
|
|
case PMCLOG_TYPE_THR_CREATE:
|
|
PMCSTAT_PRINT_ENTRY("thr-create","%d %d %x \"%s\"",
|
|
ev.pl_u.pl_tc.pl_tid,
|
|
ev.pl_u.pl_tc.pl_pid,
|
|
ev.pl_u.pl_tc.pl_flags,
|
|
ev.pl_u.pl_tc.pl_tdname);
|
|
break;
|
|
case PMCLOG_TYPE_THR_EXIT:
|
|
PMCSTAT_PRINT_ENTRY("thr-exit","%d",
|
|
ev.pl_u.pl_tc.pl_tid);
|
|
break;
|
|
default:
|
|
fprintf(args.pa_printfile, "unknown event (type %d).\n",
|
|
ev.pl_type);
|
|
}
|
|
}
|
|
|
|
if (ev.pl_state == PMCLOG_EOF)
|
|
return (PMCSTAT_FINISHED);
|
|
else if (ev.pl_state == PMCLOG_REQUIRE_DATA)
|
|
return (PMCSTAT_RUNNING);
|
|
|
|
errx(EX_DATAERR,
|
|
"ERROR: event parsing failed (record %jd, offset 0x%jx).",
|
|
(uintmax_t) ev.pl_count + 1, ev.pl_offset);
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
/*
|
|
* Public Interfaces.
|
|
*/
|
|
|
|
/*
|
|
* Process a log file in offline analysis mode.
|
|
*/
|
|
|
|
int
|
|
pmcstat_process_log(void)
|
|
{
|
|
|
|
/*
|
|
* If analysis has not been asked for, just print the log to
|
|
* the current output file.
|
|
*/
|
|
if (args.pa_flags & FLAG_DO_PRINT)
|
|
return (pmcstat_print_log());
|
|
else
|
|
return (pmcstat_analyze_log(&args, plugins, &pmcstat_stats, pmcstat_kernproc,
|
|
pmcstat_mergepmc, &pmcstat_npmcs, &ps_samples_period));
|
|
}
|
|
|
|
/*
|
|
* Refresh top display.
|
|
*/
|
|
|
|
static void
|
|
pmcstat_refresh_top(void)
|
|
{
|
|
int v_attrs;
|
|
float v;
|
|
char pmcname[40];
|
|
struct pmcstat_pmcrecord *pmcpr;
|
|
|
|
/* If in pause mode do not refresh display. */
|
|
if (pmcstat_pause)
|
|
return;
|
|
|
|
/* Wait until PMC pop in the log. */
|
|
pmcpr = pmcstat_pmcindex_to_pmcr(pmcstat_pmcinfilter);
|
|
if (pmcpr == NULL)
|
|
return;
|
|
|
|
/* Format PMC name. */
|
|
if (pmcstat_mergepmc)
|
|
snprintf(pmcname, sizeof(pmcname), "[%s]",
|
|
pmcstat_string_unintern(pmcpr->pr_pmcname));
|
|
else
|
|
snprintf(pmcname, sizeof(pmcname), "%s.%d",
|
|
pmcstat_string_unintern(pmcpr->pr_pmcname),
|
|
pmcstat_pmcinfilter);
|
|
|
|
/* Format samples count. */
|
|
if (ps_samples_period > 0)
|
|
v = (pmcpr->pr_samples * 100.0) / ps_samples_period;
|
|
else
|
|
v = 0.;
|
|
v_attrs = PMCSTAT_ATTRPERCENT(v);
|
|
|
|
PMCSTAT_PRINTBEGIN();
|
|
PMCSTAT_PRINTW("PMC: %s Samples: %u ",
|
|
pmcname,
|
|
pmcpr->pr_samples);
|
|
PMCSTAT_ATTRON(v_attrs);
|
|
PMCSTAT_PRINTW("(%.1f%%) ", v);
|
|
PMCSTAT_ATTROFF(v_attrs);
|
|
PMCSTAT_PRINTW(", %u unresolved\n\n",
|
|
pmcpr->pr_dubious_frames);
|
|
if (plugins[args.pa_plugin].pl_topdisplay != NULL)
|
|
plugins[args.pa_plugin].pl_topdisplay();
|
|
PMCSTAT_PRINTEND();
|
|
}
|
|
|
|
/*
|
|
* Find the next pmc index to display.
|
|
*/
|
|
|
|
static void
|
|
pmcstat_changefilter(void)
|
|
{
|
|
int pmcin;
|
|
struct pmcstat_pmcrecord *pmcr;
|
|
|
|
/*
|
|
* Find the next merge target.
|
|
*/
|
|
if (pmcstat_mergepmc) {
|
|
pmcin = pmcstat_pmcinfilter;
|
|
|
|
do {
|
|
pmcr = pmcstat_pmcindex_to_pmcr(pmcstat_pmcinfilter);
|
|
if (pmcr == NULL || pmcr == pmcr->pr_merge)
|
|
break;
|
|
|
|
pmcstat_pmcinfilter++;
|
|
if (pmcstat_pmcinfilter >= pmcstat_npmcs)
|
|
pmcstat_pmcinfilter = 0;
|
|
|
|
} while (pmcstat_pmcinfilter != pmcin);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Top mode keypress.
|
|
*/
|
|
|
|
int
|
|
pmcstat_keypress_log(void)
|
|
{
|
|
int c, ret = 0;
|
|
WINDOW *w;
|
|
|
|
w = newwin(1, 0, 1, 0);
|
|
c = wgetch(w);
|
|
wprintw(w, "Key: %c => ", c);
|
|
switch (c) {
|
|
case 'A':
|
|
if (args.pa_flags & FLAG_SKIP_TOP_FN_RES)
|
|
args.pa_flags &= ~FLAG_SKIP_TOP_FN_RES;
|
|
else
|
|
args.pa_flags |= FLAG_SKIP_TOP_FN_RES;
|
|
break;
|
|
case 'c':
|
|
wprintw(w, "enter mode 'd' or 'a' => ");
|
|
c = wgetch(w);
|
|
if (c == 'd') {
|
|
args.pa_topmode = PMCSTAT_TOP_DELTA;
|
|
wprintw(w, "switching to delta mode");
|
|
} else {
|
|
args.pa_topmode = PMCSTAT_TOP_ACCUM;
|
|
wprintw(w, "switching to accumulation mode");
|
|
}
|
|
break;
|
|
case 'I':
|
|
if (args.pa_flags & FLAG_SHOW_OFFSET)
|
|
args.pa_flags &= ~FLAG_SHOW_OFFSET;
|
|
else
|
|
args.pa_flags |= FLAG_SHOW_OFFSET;
|
|
break;
|
|
case 'm':
|
|
pmcstat_mergepmc = !pmcstat_mergepmc;
|
|
/*
|
|
* Changing merge state require data reset.
|
|
*/
|
|
if (plugins[args.pa_plugin].pl_shutdown != NULL)
|
|
plugins[args.pa_plugin].pl_shutdown(NULL);
|
|
pmcstat_stats_reset(0);
|
|
if (plugins[args.pa_plugin].pl_init != NULL)
|
|
plugins[args.pa_plugin].pl_init();
|
|
|
|
/* Update filter to be on a merge target. */
|
|
pmcstat_changefilter();
|
|
wprintw(w, "merge PMC %s", pmcstat_mergepmc ? "on" : "off");
|
|
break;
|
|
case 'n':
|
|
/* Close current plugin. */
|
|
if (plugins[args.pa_plugin].pl_shutdown != NULL)
|
|
plugins[args.pa_plugin].pl_shutdown(NULL);
|
|
|
|
/* Find next top display available. */
|
|
do {
|
|
args.pa_plugin++;
|
|
if (plugins[args.pa_plugin].pl_name == NULL)
|
|
args.pa_plugin = 0;
|
|
} while (plugins[args.pa_plugin].pl_topdisplay == NULL);
|
|
|
|
/* Open new plugin. */
|
|
pmcstat_stats_reset(0);
|
|
if (plugins[args.pa_plugin].pl_init != NULL)
|
|
plugins[args.pa_plugin].pl_init();
|
|
wprintw(w, "switching to plugin %s",
|
|
plugins[args.pa_plugin].pl_name);
|
|
break;
|
|
case 'p':
|
|
pmcstat_pmcinfilter++;
|
|
if (pmcstat_pmcinfilter >= pmcstat_npmcs)
|
|
pmcstat_pmcinfilter = 0;
|
|
pmcstat_changefilter();
|
|
wprintw(w, "switching to PMC %s.%d",
|
|
pmcstat_pmcindex_to_name(pmcstat_pmcinfilter),
|
|
pmcstat_pmcinfilter);
|
|
break;
|
|
case ' ':
|
|
pmcstat_pause = !pmcstat_pause;
|
|
if (pmcstat_pause)
|
|
wprintw(w, "pause => press space again to continue");
|
|
break;
|
|
case 'q':
|
|
wprintw(w, "exiting...");
|
|
ret = 1;
|
|
break;
|
|
default:
|
|
if (plugins[args.pa_plugin].pl_topkeypress != NULL)
|
|
if (plugins[args.pa_plugin].pl_topkeypress(c, (void *)w))
|
|
ret = 1;
|
|
}
|
|
|
|
wrefresh(w);
|
|
delwin(w);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
* Top mode display.
|
|
*/
|
|
|
|
void
|
|
pmcstat_display_log(void)
|
|
{
|
|
|
|
pmcstat_refresh_top();
|
|
|
|
/* Reset everythings if delta mode. */
|
|
if (args.pa_topmode == PMCSTAT_TOP_DELTA) {
|
|
if (plugins[args.pa_plugin].pl_shutdown != NULL)
|
|
plugins[args.pa_plugin].pl_shutdown(NULL);
|
|
pmcstat_stats_reset(0);
|
|
if (plugins[args.pa_plugin].pl_init != NULL)
|
|
plugins[args.pa_plugin].pl_init();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Configure a plugins.
|
|
*/
|
|
|
|
void
|
|
pmcstat_pluginconfigure_log(char *opt)
|
|
{
|
|
|
|
if (strncmp(opt, "threshold=", 10) == 0) {
|
|
pmcstat_threshold = atof(opt+10);
|
|
} else {
|
|
if (plugins[args.pa_plugin].pl_configure != NULL) {
|
|
if (!plugins[args.pa_plugin].pl_configure(opt))
|
|
err(EX_USAGE,
|
|
"ERROR: unknown option <%s>.", opt);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
pmcstat_log_shutdown_logging(void)
|
|
{
|
|
|
|
pmcstat_shutdown_logging(&args, plugins, &pmcstat_stats);
|
|
}
|
|
|
|
void
|
|
pmcstat_log_initialize_logging(void)
|
|
{
|
|
|
|
pmcstat_initialize_logging(&pmcstat_kernproc,
|
|
&args, plugins, &pmcstat_npmcs, &pmcstat_mergepmc);
|
|
}
|