171 lines
4.1 KiB
C
171 lines
4.1 KiB
C
/*-
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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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* $FreeBSD$
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*/
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#ifndef _PMCLOG_H_
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#define _PMCLOG_H_
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#include <sys/cdefs.h>
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#include <sys/pmclog.h>
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enum pmclog_state {
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PMCLOG_OK,
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PMCLOG_EOF,
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PMCLOG_REQUIRE_DATA,
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PMCLOG_ERROR
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};
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struct pmclog_ev_callchain {
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uint32_t pl_pid;
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uint32_t pl_pmcid;
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uint32_t pl_cpuflags;
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uint32_t pl_npc;
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uintfptr_t pl_pc[PMC_CALLCHAIN_DEPTH_MAX];
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};
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struct pmclog_ev_dropnotify {
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};
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struct pmclog_ev_closelog {
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};
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struct pmclog_ev_initialize {
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uint32_t pl_version;
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uint32_t pl_arch;
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};
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struct pmclog_ev_map_in {
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pid_t pl_pid;
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uintfptr_t pl_start;
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char pl_pathname[PATH_MAX];
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};
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struct pmclog_ev_map_out {
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pid_t pl_pid;
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uintfptr_t pl_start;
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uintfptr_t pl_end;
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};
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struct pmclog_ev_pcsample {
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uintfptr_t pl_pc;
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pid_t pl_pid;
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pmc_id_t pl_pmcid;
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uint32_t pl_usermode;
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};
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struct pmclog_ev_pmcallocate {
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uint32_t pl_event;
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const char * pl_evname;
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uint32_t pl_flags;
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pmc_id_t pl_pmcid;
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};
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struct pmclog_ev_pmcattach {
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pmc_id_t pl_pmcid;
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pid_t pl_pid;
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char pl_pathname[PATH_MAX];
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};
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struct pmclog_ev_pmcdetach {
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pmc_id_t pl_pmcid;
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pid_t pl_pid;
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};
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struct pmclog_ev_proccsw {
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pid_t pl_pid;
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pmc_id_t pl_pmcid;
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pmc_value_t pl_value;
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};
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struct pmclog_ev_procexec {
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pid_t pl_pid;
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pmc_id_t pl_pmcid;
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uintfptr_t pl_entryaddr;
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char pl_pathname[PATH_MAX];
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};
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struct pmclog_ev_procexit {
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uint32_t pl_pid;
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pmc_id_t pl_pmcid;
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pmc_value_t pl_value;
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};
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struct pmclog_ev_procfork {
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pid_t pl_oldpid;
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pid_t pl_newpid;
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};
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struct pmclog_ev_sysexit {
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pid_t pl_pid;
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};
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struct pmclog_ev_userdata {
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uint32_t pl_userdata;
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};
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struct pmclog_ev {
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enum pmclog_state pl_state; /* state after 'get_event()' */
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off_t pl_offset; /* byte offset in stream */
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size_t pl_count; /* count of records so far */
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struct timespec pl_ts; /* log entry timestamp */
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enum pmclog_type pl_type; /* type of log entry */
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union { /* log entry data */
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struct pmclog_ev_callchain pl_cc;
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struct pmclog_ev_closelog pl_cl;
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struct pmclog_ev_dropnotify pl_dn;
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struct pmclog_ev_initialize pl_i;
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struct pmclog_ev_map_in pl_mi;
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struct pmclog_ev_map_out pl_mo;
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struct pmclog_ev_pcsample pl_s;
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struct pmclog_ev_pmcallocate pl_a;
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struct pmclog_ev_pmcattach pl_t;
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struct pmclog_ev_pmcdetach pl_d;
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struct pmclog_ev_proccsw pl_c;
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struct pmclog_ev_procexec pl_x;
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struct pmclog_ev_procexit pl_e;
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struct pmclog_ev_procfork pl_f;
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struct pmclog_ev_sysexit pl_se;
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struct pmclog_ev_userdata pl_u;
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} pl_u;
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};
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#define PMCLOG_FD_NONE (-1)
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__BEGIN_DECLS
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void *pmclog_open(int _fd);
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int pmclog_feed(void *_cookie, char *_data, int _len);
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int pmclog_read(void *_cookie, struct pmclog_ev *_ev);
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void pmclog_close(void *_cookie);
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__END_DECLS
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#endif
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