2 * Copyright (c) 2005-2007 Joseph Koshy
3 * Copyright (c) 2007 The FreeBSD Foundation
6 * Portions of this software were developed by A. Joseph Koshy under
7 * sponsorship from the FreeBSD Foundation and Google, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #include <sys/cdefs.h>
37 #include <sys/pmclog.h>
46 struct pmclog_ev_callchain {
51 uintfptr_t pl_pc[PMC_CALLCHAIN_DEPTH_MAX];
54 struct pmclog_ev_dropnotify {
57 struct pmclog_ev_closelog {
60 struct pmclog_ev_initialize {
65 struct pmclog_ev_map_in {
68 char pl_pathname[PATH_MAX];
71 struct pmclog_ev_map_out {
77 struct pmclog_ev_pcsample {
84 struct pmclog_ev_pmcallocate {
86 const char * pl_evname;
91 struct pmclog_ev_pmcallocatedyn {
93 char pl_evname[PMC_NAME_MAX];
98 struct pmclog_ev_pmcattach {
101 char pl_pathname[PATH_MAX];
104 struct pmclog_ev_pmcdetach {
109 struct pmclog_ev_proccsw {
112 pmc_value_t pl_value;
115 struct pmclog_ev_procexec {
118 uintfptr_t pl_entryaddr;
119 char pl_pathname[PATH_MAX];
122 struct pmclog_ev_procexit {
125 pmc_value_t pl_value;
128 struct pmclog_ev_procfork {
133 struct pmclog_ev_sysexit {
137 struct pmclog_ev_userdata {
138 uint32_t pl_userdata;
142 enum pmclog_state pl_state; /* state after 'get_event()' */
143 off_t pl_offset; /* byte offset in stream */
144 size_t pl_count; /* count of records so far */
145 struct timespec pl_ts; /* log entry timestamp */
146 enum pmclog_type pl_type; /* type of log entry */
147 union { /* log entry data */
148 struct pmclog_ev_callchain pl_cc;
149 struct pmclog_ev_closelog pl_cl;
150 struct pmclog_ev_dropnotify pl_dn;
151 struct pmclog_ev_initialize pl_i;
152 struct pmclog_ev_map_in pl_mi;
153 struct pmclog_ev_map_out pl_mo;
154 struct pmclog_ev_pcsample pl_s;
155 struct pmclog_ev_pmcallocate pl_a;
156 struct pmclog_ev_pmcallocatedyn pl_ad;
157 struct pmclog_ev_pmcattach pl_t;
158 struct pmclog_ev_pmcdetach pl_d;
159 struct pmclog_ev_proccsw pl_c;
160 struct pmclog_ev_procexec pl_x;
161 struct pmclog_ev_procexit pl_e;
162 struct pmclog_ev_procfork pl_f;
163 struct pmclog_ev_sysexit pl_se;
164 struct pmclog_ev_userdata pl_u;
168 #define PMCLOG_FD_NONE (-1)
171 void *pmclog_open(int _fd);
172 int pmclog_feed(void *_cookie, char *_data, int _len);
173 int pmclog_read(void *_cookie, struct pmclog_ev *_ev);
174 void pmclog_close(void *_cookie);