1 /*- 2 * Copyright (c) 2005-2006 Joseph Koshy 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _PMCLOG_H_ 30 #define _PMCLOG_H_ 31 32 #include <sys/pmclog.h> 33 34 enum pmclog_state { 35 PMCLOG_OK, 36 PMCLOG_EOF, 37 PMCLOG_REQUIRE_DATA, 38 PMCLOG_ERROR 39 }; 40 41 struct pmclog_ev_dropnotify { 42 }; 43 44 struct pmclog_ev_closelog { 45 }; 46 47 struct pmclog_ev_initialize { 48 uint32_t pl_version; 49 uint32_t pl_arch; 50 }; 51 52 struct pmclog_ev_map_in { 53 pid_t pl_pid; 54 uintfptr_t pl_start; 55 char pl_pathname[PATH_MAX]; 56 }; 57 58 struct pmclog_ev_map_out { 59 pid_t pl_pid; 60 uintfptr_t pl_start; 61 uintfptr_t pl_end; 62 }; 63 64 struct pmclog_ev_pcsample { 65 uintfptr_t pl_pc; 66 pid_t pl_pid; 67 pmc_id_t pl_pmcid; 68 uint32_t pl_usermode; 69 }; 70 71 struct pmclog_ev_pmcallocate { 72 uint32_t pl_event; 73 const char * pl_evname; 74 uint32_t pl_flags; 75 pmc_id_t pl_pmcid; 76 }; 77 78 struct pmclog_ev_pmcattach { 79 pmc_id_t pl_pmcid; 80 pid_t pl_pid; 81 char pl_pathname[PATH_MAX]; 82 }; 83 84 struct pmclog_ev_pmcdetach { 85 pmc_id_t pl_pmcid; 86 pid_t pl_pid; 87 }; 88 89 struct pmclog_ev_proccsw { 90 pid_t pl_pid; 91 pmc_id_t pl_pmcid; 92 pmc_value_t pl_value; 93 }; 94 95 struct pmclog_ev_procexec { 96 pid_t pl_pid; 97 pmc_id_t pl_pmcid; 98 uintfptr_t pl_entryaddr; 99 char pl_pathname[PATH_MAX]; 100 }; 101 102 struct pmclog_ev_procexit { 103 uint32_t pl_pid; 104 pmc_id_t pl_pmcid; 105 pmc_value_t pl_value; 106 }; 107 108 struct pmclog_ev_procfork { 109 pid_t pl_oldpid; 110 pid_t pl_newpid; 111 }; 112 113 struct pmclog_ev_sysexit { 114 pid_t pl_pid; 115 }; 116 117 struct pmclog_ev_userdata { 118 uint32_t pl_userdata; 119 }; 120 121 struct pmclog_ev { 122 enum pmclog_state pl_state; /* state after 'get_event()' */ 123 off_t pl_offset; /* byte offset in stream */ 124 size_t pl_count; /* count of records so far */ 125 struct timespec pl_ts; /* log entry timestamp */ 126 enum pmclog_type pl_type; /* type of log entry */ 127 union { /* log entry data */ 128 struct pmclog_ev_closelog pl_cl; 129 struct pmclog_ev_dropnotify pl_dn; 130 struct pmclog_ev_initialize pl_i; 131 struct pmclog_ev_map_in pl_mi; 132 struct pmclog_ev_map_out pl_mo; 133 struct pmclog_ev_pcsample pl_s; 134 struct pmclog_ev_pmcallocate pl_a; 135 struct pmclog_ev_pmcattach pl_t; 136 struct pmclog_ev_pmcdetach pl_d; 137 struct pmclog_ev_proccsw pl_c; 138 struct pmclog_ev_procexec pl_x; 139 struct pmclog_ev_procexit pl_e; 140 struct pmclog_ev_procfork pl_f; 141 struct pmclog_ev_sysexit pl_se; 142 struct pmclog_ev_userdata pl_u; 143 } pl_u; 144 }; 145 146 #define PMCLOG_FD_NONE (-1) 147 148 void *pmclog_open(int _fd); 149 int pmclog_feed(void *_cookie, char *_data, int _len); 150 int pmclog_read(void *_cookie, struct pmclog_ev *_ev); 151 void pmclog_close(void *_cookie); 152 153 #endif 154 155