719 lines
19 KiB
C
719 lines
19 KiB
C
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/*-
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* Copyright (c) 2003-2008 Joseph Koshy
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* All rights reserved.
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/cpuset.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/pmc.h>
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#include <assert.h>
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#include <ctype.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 <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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include "libpmcstat.h"
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/*
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* Get PMC record by id, apply merge policy.
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*/
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static struct pmcstat_pmcrecord *
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pmcstat_lookup_pmcid(pmc_id_t pmcid, int pmcstat_mergepmc)
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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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if (pmcstat_mergepmc)
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return pr->pr_merge;
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return pr;
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}
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}
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return NULL;
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}
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/*
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* Add a {pmcid,name} mapping.
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*/
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static void
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pmcstat_pmcid_add(pmc_id_t pmcid, pmcstat_interned_string ps,
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struct pmcstat_args *args, struct pmc_plugins *plugins,
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int *pmcstat_npmcs)
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{
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struct pmcstat_pmcrecord *pr, *prm;
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/* Replace an existing name for the PMC. */
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prm = NULL;
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LIST_FOREACH(pr, &pmcstat_pmcs, pr_next)
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if (pr->pr_pmcid == pmcid) {
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pr->pr_pmcname = ps;
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return;
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} else if (pr->pr_pmcname == ps)
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prm = pr;
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/*
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* Otherwise, allocate a new descriptor and call the
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* plugins hook.
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*/
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if ((pr = malloc(sizeof(*pr))) == NULL)
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err(EX_OSERR, "ERROR: Cannot allocate pmc record");
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pr->pr_pmcid = pmcid;
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pr->pr_pmcname = ps;
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pr->pr_pmcin = *pmcstat_npmcs++;
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pr->pr_samples = 0;
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pr->pr_dubious_frames = 0;
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pr->pr_merge = prm == NULL ? pr : prm;
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LIST_INSERT_HEAD(&pmcstat_pmcs, pr, pr_next);
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if (plugins[args->pa_pplugin].pl_newpmc != NULL)
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plugins[args->pa_pplugin].pl_newpmc(ps, pr);
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if (plugins[args->pa_plugin].pl_newpmc != NULL)
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plugins[args->pa_plugin].pl_newpmc(ps, pr);
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}
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/*
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* Unmap images in the range [start..end) associated with process
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* 'pp'.
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*/
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static void
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pmcstat_image_unmap(struct pmcstat_process *pp, uintfptr_t start,
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uintfptr_t end)
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{
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struct pmcstat_pcmap *pcm, *pcmtmp, *pcmnew;
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assert(pp != NULL);
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assert(start < end);
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/*
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* Cases:
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* - we could have the range completely in the middle of an
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* existing pcmap; in this case we have to split the pcmap
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* structure into two (i.e., generate a 'hole').
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* - we could have the range covering multiple pcmaps; these
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* will have to be removed.
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* - we could have either 'start' or 'end' falling in the
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* middle of a pcmap; in this case shorten the entry.
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*/
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TAILQ_FOREACH_SAFE(pcm, &pp->pp_map, ppm_next, pcmtmp) {
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assert(pcm->ppm_lowpc < pcm->ppm_highpc);
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if (pcm->ppm_highpc <= start)
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continue;
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if (pcm->ppm_lowpc >= end)
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return;
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if (pcm->ppm_lowpc >= start && pcm->ppm_highpc <= end) {
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/*
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* The current pcmap is completely inside the
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* unmapped range: remove it entirely.
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*/
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TAILQ_REMOVE(&pp->pp_map, pcm, ppm_next);
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free(pcm);
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} else if (pcm->ppm_lowpc < start && pcm->ppm_highpc > end) {
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/*
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* Split this pcmap into two; curtail the
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* current map to end at [start-1], and start
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* the new one at [end].
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*/
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if ((pcmnew = malloc(sizeof(*pcmnew))) == NULL)
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err(EX_OSERR,
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"ERROR: Cannot split a map entry");
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pcmnew->ppm_image = pcm->ppm_image;
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pcmnew->ppm_lowpc = end;
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pcmnew->ppm_highpc = pcm->ppm_highpc;
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pcm->ppm_highpc = start;
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TAILQ_INSERT_AFTER(&pp->pp_map, pcm, pcmnew, ppm_next);
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return;
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} else if (pcm->ppm_lowpc < start && pcm->ppm_highpc <= end)
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pcm->ppm_highpc = start;
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else if (pcm->ppm_lowpc >= start && pcm->ppm_highpc > end)
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pcm->ppm_lowpc = end;
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else
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assert(0);
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}
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}
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/*
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* Convert a hwpmc(4) log to profile information. A system-wide
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* callgraph is generated if FLAG_DO_CALLGRAPHS is set. gmon.out
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* files usable by gprof(1) are created if FLAG_DO_GPROF is set.
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*/
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int
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pmcstat_analyze_log(struct pmcstat_args *args,
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struct pmc_plugins *plugins,
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struct pmcstat_stats *pmcstat_stats,
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struct pmcstat_process *pmcstat_kernproc,
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int pmcstat_mergepmc,
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int *pmcstat_npmcs,
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int *ps_samples_period)
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{
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uint32_t cpu, cpuflags;
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uintfptr_t pc;
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pid_t pid;
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struct pmcstat_image *image;
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struct pmcstat_process *pp, *ppnew;
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struct pmcstat_pcmap *ppm, *ppmtmp;
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struct pmclog_ev ev;
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struct pmcstat_pmcrecord *pmcr;
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pmcstat_interned_string image_path;
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assert(args->pa_flags & FLAG_DO_ANALYSIS);
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if (elf_version(EV_CURRENT) == EV_NONE)
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err(EX_UNAVAILABLE, "Elf library initialization failed");
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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_INITIALIZE:
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if ((ev.pl_u.pl_i.pl_version & 0xFF000000) !=
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PMC_VERSION_MAJOR << 24 && args->pa_verbosity > 0)
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warnx(
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"WARNING: Log version 0x%x does not match compiled version 0x%x.",
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ev.pl_u.pl_i.pl_version, PMC_VERSION_MAJOR);
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break;
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case PMCLOG_TYPE_MAP_IN:
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/*
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* Introduce an address range mapping for a
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* userland process or the kernel (pid == -1).
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*
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* We always allocate a process descriptor so
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* that subsequent samples seen for this
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* address range are mapped to the current
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* object being mapped in.
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*/
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pid = ev.pl_u.pl_mi.pl_pid;
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if (pid == -1)
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pp = pmcstat_kernproc;
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else
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pp = pmcstat_process_lookup(pid,
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PMCSTAT_ALLOCATE);
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assert(pp != NULL);
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image_path = pmcstat_string_intern(ev.pl_u.pl_mi.
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pl_pathname);
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image = pmcstat_image_from_path(image_path, pid == -1,
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args, plugins);
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if (image->pi_type == PMCSTAT_IMAGE_UNKNOWN)
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pmcstat_image_determine_type(image, args);
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if (image->pi_type != PMCSTAT_IMAGE_INDETERMINABLE)
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pmcstat_image_link(pp, image,
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ev.pl_u.pl_mi.pl_start);
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break;
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case PMCLOG_TYPE_MAP_OUT:
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/*
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* Remove an address map.
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*/
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pid = ev.pl_u.pl_mo.pl_pid;
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if (pid == -1)
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pp = pmcstat_kernproc;
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else
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pp = pmcstat_process_lookup(pid, 0);
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if (pp == NULL) /* unknown process */
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break;
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pmcstat_image_unmap(pp, ev.pl_u.pl_mo.pl_start,
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ev.pl_u.pl_mo.pl_end);
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break;
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case PMCLOG_TYPE_PCSAMPLE:
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/*
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* Note: the `PCSAMPLE' log entry is not
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* generated by hpwmc(4) after version 2.
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*/
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/*
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* We bring in the gmon file for the image
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* currently associated with the PMC & pid
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* pair and increment the appropriate entry
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* bin inside this.
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*/
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pmcstat_stats->ps_samples_total++;
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*ps_samples_period += 1;
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pc = ev.pl_u.pl_s.pl_pc;
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pp = pmcstat_process_lookup(ev.pl_u.pl_s.pl_pid,
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PMCSTAT_ALLOCATE);
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/* Get PMC record. */
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pmcr = pmcstat_lookup_pmcid(ev.pl_u.pl_s.pl_pmcid, pmcstat_mergepmc);
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assert(pmcr != NULL);
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pmcr->pr_samples++;
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/*
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* Call the plugins processing
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* TODO: move pmcstat_process_find_map inside plugins
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*/
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if (plugins[args->pa_pplugin].pl_process != NULL)
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plugins[args->pa_pplugin].pl_process(
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pp, pmcr, 1, &pc,
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pmcstat_process_find_map(pp, pc) != NULL, 0);
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plugins[args->pa_plugin].pl_process(
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pp, pmcr, 1, &pc,
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pmcstat_process_find_map(pp, pc) != NULL, 0);
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break;
|
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|
|
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case PMCLOG_TYPE_CALLCHAIN:
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pmcstat_stats->ps_samples_total++;
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*ps_samples_period += 1;
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|
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cpuflags = ev.pl_u.pl_cc.pl_cpuflags;
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cpu = PMC_CALLCHAIN_CPUFLAGS_TO_CPU(cpuflags);
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|
|
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/* Filter on the CPU id. */
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if (!CPU_ISSET(cpu, &(args->pa_cpumask))) {
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pmcstat_stats->ps_samples_skipped++;
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break;
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}
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|
|
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pp = pmcstat_process_lookup(ev.pl_u.pl_cc.pl_pid,
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PMCSTAT_ALLOCATE);
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|
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/* Get PMC record. */
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pmcr = pmcstat_lookup_pmcid(ev.pl_u.pl_cc.pl_pmcid, pmcstat_mergepmc);
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assert(pmcr != NULL);
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pmcr->pr_samples++;
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|
|
||
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/*
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* Call the plugins processing
|
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*/
|
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|
|
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if (plugins[args->pa_pplugin].pl_process != NULL)
|
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|
plugins[args->pa_pplugin].pl_process(
|
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|
pp, pmcr,
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ev.pl_u.pl_cc.pl_npc,
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ev.pl_u.pl_cc.pl_pc,
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|
PMC_CALLCHAIN_CPUFLAGS_TO_USERMODE(cpuflags),
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|
cpu);
|
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|
plugins[args->pa_plugin].pl_process(
|
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|
pp, pmcr,
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||
|
ev.pl_u.pl_cc.pl_npc,
|
||
|
ev.pl_u.pl_cc.pl_pc,
|
||
|
PMC_CALLCHAIN_CPUFLAGS_TO_USERMODE(cpuflags),
|
||
|
cpu);
|
||
|
break;
|
||
|
|
||
|
case PMCLOG_TYPE_PMCALLOCATE:
|
||
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/*
|
||
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* Record the association pmc id between this
|
||
|
* PMC and its name.
|
||
|
*/
|
||
|
pmcstat_pmcid_add(ev.pl_u.pl_a.pl_pmcid,
|
||
|
pmcstat_string_intern(ev.pl_u.pl_a.pl_evname),
|
||
|
args, plugins, pmcstat_npmcs);
|
||
|
break;
|
||
|
|
||
|
case PMCLOG_TYPE_PMCALLOCATEDYN:
|
||
|
/*
|
||
|
* Record the association pmc id between this
|
||
|
* PMC and its name.
|
||
|
*/
|
||
|
pmcstat_pmcid_add(ev.pl_u.pl_ad.pl_pmcid,
|
||
|
pmcstat_string_intern(ev.pl_u.pl_ad.pl_evname),
|
||
|
args, plugins, pmcstat_npmcs);
|
||
|
break;
|
||
|
|
||
|
case PMCLOG_TYPE_PROCEXEC:
|
||
|
/*
|
||
|
* Change the executable image associated with
|
||
|
* a process.
|
||
|
*/
|
||
|
pp = pmcstat_process_lookup(ev.pl_u.pl_x.pl_pid,
|
||
|
PMCSTAT_ALLOCATE);
|
||
|
|
||
|
/* delete the current process map */
|
||
|
TAILQ_FOREACH_SAFE(ppm, &pp->pp_map, ppm_next, ppmtmp) {
|
||
|
TAILQ_REMOVE(&pp->pp_map, ppm, ppm_next);
|
||
|
free(ppm);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Associate this process image.
|
||
|
*/
|
||
|
image_path = pmcstat_string_intern(
|
||
|
ev.pl_u.pl_x.pl_pathname);
|
||
|
assert(image_path != NULL);
|
||
|
pmcstat_process_exec(pp, image_path,
|
||
|
ev.pl_u.pl_x.pl_entryaddr, args,
|
||
|
plugins, pmcstat_stats);
|
||
|
break;
|
||
|
|
||
|
case PMCLOG_TYPE_PROCEXIT:
|
||
|
|
||
|
/*
|
||
|
* Due to the way the log is generated, the
|
||
|
* last few samples corresponding to a process
|
||
|
* may appear in the log after the process
|
||
|
* exit event is recorded. Thus we keep the
|
||
|
* process' descriptor and associated data
|
||
|
* structures around, but mark the process as
|
||
|
* having exited.
|
||
|
*/
|
||
|
pp = pmcstat_process_lookup(ev.pl_u.pl_e.pl_pid, 0);
|
||
|
if (pp == NULL)
|
||
|
break;
|
||
|
pp->pp_isactive = 0; /* mark as a zombie */
|
||
|
break;
|
||
|
|
||
|
case PMCLOG_TYPE_SYSEXIT:
|
||
|
pp = pmcstat_process_lookup(ev.pl_u.pl_se.pl_pid, 0);
|
||
|
if (pp == NULL)
|
||
|
break;
|
||
|
pp->pp_isactive = 0; /* make a zombie */
|
||
|
break;
|
||
|
|
||
|
case PMCLOG_TYPE_PROCFORK:
|
||
|
|
||
|
/*
|
||
|
* Allocate a process descriptor for the new
|
||
|
* (child) process.
|
||
|
*/
|
||
|
ppnew =
|
||
|
pmcstat_process_lookup(ev.pl_u.pl_f.pl_newpid,
|
||
|
PMCSTAT_ALLOCATE);
|
||
|
|
||
|
/*
|
||
|
* If we had been tracking the parent, clone
|
||
|
* its address maps.
|
||
|
*/
|
||
|
pp = pmcstat_process_lookup(ev.pl_u.pl_f.pl_oldpid, 0);
|
||
|
if (pp == NULL)
|
||
|
break;
|
||
|
TAILQ_FOREACH(ppm, &pp->pp_map, ppm_next)
|
||
|
pmcstat_image_link(ppnew, ppm->ppm_image,
|
||
|
ppm->ppm_lowpc);
|
||
|
break;
|
||
|
|
||
|
default: /* other types of entries are not relevant */
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (ev.pl_state == PMCLOG_EOF)
|
||
|
return (PMCSTAT_FINISHED);
|
||
|
else if (ev.pl_state == PMCLOG_REQUIRE_DATA)
|
||
|
return (PMCSTAT_RUNNING);
|
||
|
|
||
|
err(EX_DATAERR,
|
||
|
"ERROR: event parsing failed (record %jd, offset 0x%jx)",
|
||
|
(uintmax_t) ev.pl_count + 1, ev.pl_offset);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Open a log file, for reading or writing.
|
||
|
*
|
||
|
* The function returns the fd of a successfully opened log or -1 in
|
||
|
* case of failure.
|
||
|
*/
|
||
|
|
||
|
int
|
||
|
pmcstat_open_log(const char *path, int mode)
|
||
|
{
|
||
|
int error, fd, cfd;
|
||
|
size_t hlen;
|
||
|
const char *p, *errstr;
|
||
|
struct addrinfo hints, *res, *res0;
|
||
|
char hostname[MAXHOSTNAMELEN];
|
||
|
|
||
|
errstr = NULL;
|
||
|
fd = -1;
|
||
|
|
||
|
/*
|
||
|
* If 'path' is "-" then open one of stdin or stdout depending
|
||
|
* on the value of 'mode'.
|
||
|
*
|
||
|
* If 'path' contains a ':' and does not start with a '/' or '.',
|
||
|
* and is being opened for writing, treat it as a "host:port"
|
||
|
* specification and open a network socket.
|
||
|
*
|
||
|
* Otherwise, treat 'path' as a file name and open that.
|
||
|
*/
|
||
|
if (path[0] == '-' && path[1] == '\0')
|
||
|
fd = (mode == PMCSTAT_OPEN_FOR_READ) ? 0 : 1;
|
||
|
else if (path[0] != '/' &&
|
||
|
path[0] != '.' && strchr(path, ':') != NULL) {
|
||
|
|
||
|
p = strrchr(path, ':');
|
||
|
hlen = p - path;
|
||
|
if (p == path || hlen >= sizeof(hostname)) {
|
||
|
errstr = strerror(EINVAL);
|
||
|
goto done;
|
||
|
}
|
||
|
|
||
|
assert(hlen < sizeof(hostname));
|
||
|
(void) strncpy(hostname, path, hlen);
|
||
|
hostname[hlen] = '\0';
|
||
|
|
||
|
(void) memset(&hints, 0, sizeof(hints));
|
||
|
hints.ai_family = AF_UNSPEC;
|
||
|
hints.ai_socktype = SOCK_STREAM;
|
||
|
if ((error = getaddrinfo(hostname, p+1, &hints, &res0)) != 0) {
|
||
|
errstr = gai_strerror(error);
|
||
|
goto done;
|
||
|
}
|
||
|
|
||
|
fd = -1;
|
||
|
for (res = res0; res; res = res->ai_next) {
|
||
|
if ((fd = socket(res->ai_family, res->ai_socktype,
|
||
|
res->ai_protocol)) < 0) {
|
||
|
errstr = strerror(errno);
|
||
|
continue;
|
||
|
}
|
||
|
if (mode == PMCSTAT_OPEN_FOR_READ) {
|
||
|
if (bind(fd, res->ai_addr, res->ai_addrlen) < 0) {
|
||
|
errstr = strerror(errno);
|
||
|
(void) close(fd);
|
||
|
fd = -1;
|
||
|
continue;
|
||
|
}
|
||
|
listen(fd, 1);
|
||
|
cfd = accept(fd, NULL, NULL);
|
||
|
(void) close(fd);
|
||
|
if (cfd < 0) {
|
||
|
errstr = strerror(errno);
|
||
|
fd = -1;
|
||
|
break;
|
||
|
}
|
||
|
fd = cfd;
|
||
|
} else {
|
||
|
if (connect(fd, res->ai_addr, res->ai_addrlen) < 0) {
|
||
|
errstr = strerror(errno);
|
||
|
(void) close(fd);
|
||
|
fd = -1;
|
||
|
continue;
|
||
|
}
|
||
|
}
|
||
|
errstr = NULL;
|
||
|
break;
|
||
|
}
|
||
|
freeaddrinfo(res0);
|
||
|
|
||
|
} else if ((fd = open(path, mode == PMCSTAT_OPEN_FOR_READ ?
|
||
|
O_RDONLY : (O_WRONLY|O_CREAT|O_TRUNC),
|
||
|
S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0)
|
||
|
errstr = strerror(errno);
|
||
|
|
||
|
done:
|
||
|
if (errstr)
|
||
|
errx(EX_OSERR, "ERROR: Cannot open \"%s\" for %s: %s.", path,
|
||
|
(mode == PMCSTAT_OPEN_FOR_READ ? "reading" : "writing"),
|
||
|
errstr);
|
||
|
|
||
|
return (fd);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Close a logfile, after first flushing all in-module queued data.
|
||
|
*/
|
||
|
|
||
|
int
|
||
|
pmcstat_close_log(struct pmcstat_args *args)
|
||
|
{
|
||
|
/* If a local logfile is configured ask the kernel to stop
|
||
|
* and flush data. Kernel will close the file when data is flushed
|
||
|
* so keep the status to EXITING.
|
||
|
*/
|
||
|
if (args->pa_logfd != -1) {
|
||
|
if (pmc_close_logfile() < 0)
|
||
|
err(EX_OSERR, "ERROR: logging failed");
|
||
|
}
|
||
|
|
||
|
return (args->pa_flags & FLAG_HAS_PIPE ? PMCSTAT_EXITING :
|
||
|
PMCSTAT_FINISHED);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Initialize module.
|
||
|
*/
|
||
|
|
||
|
void
|
||
|
pmcstat_initialize_logging(struct pmcstat_process **pmcstat_kernproc,
|
||
|
struct pmcstat_args *args, struct pmc_plugins *plugins,
|
||
|
int *pmcstat_npmcs, int *pmcstat_mergepmc)
|
||
|
{
|
||
|
struct pmcstat_process *pmcstat_kp;
|
||
|
int i;
|
||
|
|
||
|
/* use a convenient format for 'ldd' output */
|
||
|
if (setenv("LD_TRACE_LOADED_OBJECTS_FMT1","%o \"%p\" %x\n",1) != 0)
|
||
|
err(EX_OSERR, "ERROR: Cannot setenv");
|
||
|
|
||
|
/* Initialize hash tables */
|
||
|
pmcstat_string_initialize();
|
||
|
for (i = 0; i < PMCSTAT_NHASH; i++) {
|
||
|
LIST_INIT(&pmcstat_image_hash[i]);
|
||
|
LIST_INIT(&pmcstat_process_hash[i]);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Create a fake 'process' entry for the kernel with pid -1.
|
||
|
* hwpmc(4) will subsequently inform us about where the kernel
|
||
|
* and any loaded kernel modules are mapped.
|
||
|
*/
|
||
|
if ((pmcstat_kp = pmcstat_process_lookup((pid_t) -1,
|
||
|
PMCSTAT_ALLOCATE)) == NULL)
|
||
|
err(EX_OSERR, "ERROR: Cannot initialize logging");
|
||
|
|
||
|
*pmcstat_kernproc = pmcstat_kp;
|
||
|
|
||
|
/* PMC count. */
|
||
|
*pmcstat_npmcs = 0;
|
||
|
|
||
|
/* Merge PMC with same name. */
|
||
|
*pmcstat_mergepmc = args->pa_mergepmc;
|
||
|
|
||
|
/*
|
||
|
* Initialize plugins
|
||
|
*/
|
||
|
|
||
|
if (plugins[args->pa_pplugin].pl_init != NULL)
|
||
|
plugins[args->pa_pplugin].pl_init();
|
||
|
if (plugins[args->pa_plugin].pl_init != NULL)
|
||
|
plugins[args->pa_plugin].pl_init();
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Shutdown module.
|
||
|
*/
|
||
|
|
||
|
void
|
||
|
pmcstat_shutdown_logging(struct pmcstat_args *args,
|
||
|
struct pmc_plugins *plugins,
|
||
|
struct pmcstat_stats *pmcstat_stats)
|
||
|
{
|
||
|
struct pmcstat_image *pi, *pitmp;
|
||
|
struct pmcstat_process *pp, *pptmp;
|
||
|
struct pmcstat_pcmap *ppm, *ppmtmp;
|
||
|
FILE *mf;
|
||
|
int i;
|
||
|
|
||
|
/* determine where to send the map file */
|
||
|
mf = NULL;
|
||
|
if (args->pa_mapfilename != NULL)
|
||
|
mf = (strcmp(args->pa_mapfilename, "-") == 0) ?
|
||
|
args->pa_printfile : fopen(args->pa_mapfilename, "w");
|
||
|
|
||
|
if (mf == NULL && args->pa_flags & FLAG_DO_GPROF &&
|
||
|
args->pa_verbosity >= 2)
|
||
|
mf = args->pa_printfile;
|
||
|
|
||
|
if (mf)
|
||
|
(void) fprintf(mf, "MAP:\n");
|
||
|
|
||
|
/*
|
||
|
* Shutdown the plugins
|
||
|
*/
|
||
|
|
||
|
if (plugins[args->pa_plugin].pl_shutdown != NULL)
|
||
|
plugins[args->pa_plugin].pl_shutdown(mf);
|
||
|
if (plugins[args->pa_pplugin].pl_shutdown != NULL)
|
||
|
plugins[args->pa_pplugin].pl_shutdown(mf);
|
||
|
|
||
|
for (i = 0; i < PMCSTAT_NHASH; i++) {
|
||
|
LIST_FOREACH_SAFE(pi, &pmcstat_image_hash[i], pi_next,
|
||
|
pitmp) {
|
||
|
if (plugins[args->pa_plugin].pl_shutdownimage != NULL)
|
||
|
plugins[args->pa_plugin].pl_shutdownimage(pi);
|
||
|
if (plugins[args->pa_pplugin].pl_shutdownimage != NULL)
|
||
|
plugins[args->pa_pplugin].pl_shutdownimage(pi);
|
||
|
|
||
|
free(pi->pi_symbols);
|
||
|
if (pi->pi_addr2line != NULL)
|
||
|
pclose(pi->pi_addr2line);
|
||
|
LIST_REMOVE(pi, pi_next);
|
||
|
free(pi);
|
||
|
}
|
||
|
|
||
|
LIST_FOREACH_SAFE(pp, &pmcstat_process_hash[i], pp_next,
|
||
|
pptmp) {
|
||
|
TAILQ_FOREACH_SAFE(ppm, &pp->pp_map, ppm_next, ppmtmp) {
|
||
|
TAILQ_REMOVE(&pp->pp_map, ppm, ppm_next);
|
||
|
free(ppm);
|
||
|
}
|
||
|
LIST_REMOVE(pp, pp_next);
|
||
|
free(pp);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
pmcstat_string_shutdown();
|
||
|
|
||
|
/*
|
||
|
* Print errors unless -q was specified. Print all statistics
|
||
|
* if verbosity > 1.
|
||
|
*/
|
||
|
#define PRINT(N,V) do { \
|
||
|
if (pmcstat_stats->ps_##V || args->pa_verbosity >= 2) \
|
||
|
(void) fprintf(args->pa_printfile, " %-40s %d\n",\
|
||
|
N, pmcstat_stats->ps_##V); \
|
||
|
} while (0)
|
||
|
|
||
|
if (args->pa_verbosity >= 1 && (args->pa_flags & FLAG_DO_ANALYSIS)) {
|
||
|
(void) fprintf(args->pa_printfile, "CONVERSION STATISTICS:\n");
|
||
|
PRINT("#exec/a.out", exec_aout);
|
||
|
PRINT("#exec/elf", exec_elf);
|
||
|
PRINT("#exec/unknown", exec_indeterminable);
|
||
|
PRINT("#exec handling errors", exec_errors);
|
||
|
PRINT("#samples/total", samples_total);
|
||
|
PRINT("#samples/unclaimed", samples_unknown_offset);
|
||
|
PRINT("#samples/unknown-object", samples_indeterminable);
|
||
|
PRINT("#samples/unknown-function", samples_unknown_function);
|
||
|
PRINT("#callchain/dubious-frames", callchain_dubious_frames);
|
||
|
}
|
||
|
|
||
|
if (mf)
|
||
|
(void) fclose(mf);
|
||
|
}
|