1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2018, Matthew Macy 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/cpuset.h> 34 #include <sys/event.h> 35 #include <sys/queue.h> 36 #include <sys/socket.h> 37 #include <sys/stat.h> 38 #include <sys/sysctl.h> 39 #include <sys/time.h> 40 #include <sys/ttycom.h> 41 #include <sys/user.h> 42 #include <sys/wait.h> 43 44 #include <assert.h> 45 #include <curses.h> 46 #include <err.h> 47 #include <errno.h> 48 #include <fcntl.h> 49 #include <getopt.h> 50 #include <kvm.h> 51 #include <libgen.h> 52 #include <limits.h> 53 #include <locale.h> 54 #include <math.h> 55 #include <pmc.h> 56 #include <pmclog.h> 57 #include <regex.h> 58 #include <signal.h> 59 #include <stdarg.h> 60 #include <stdint.h> 61 #include <stdio.h> 62 #include <stdlib.h> 63 #include <stddef.h> 64 #include <string.h> 65 #include <sysexits.h> 66 #include <unistd.h> 67 68 #include <libpmcstat.h> 69 #include "cmd_pmc.h" 70 71 #include <iostream> 72 #include <string> 73 #include <vector> 74 #include <unordered_map> 75 76 using std::unordered_map; 77 typedef unordered_map <int, std::string> idmap; 78 typedef unordered_map <uint32_t, uint64_t> intmap; 79 typedef unordered_map <std::string, intmap> strintmap; 80 typedef std::pair<uint64_t, uint32_t> sampleid; 81 typedef std::pair<uint64_t, std::string> samplename; 82 typedef unordered_map <uint32_t, std::vector<samplename>> eventcountmap; 83 84 static void __dead2 85 usage(void) 86 { 87 errx(EX_USAGE, 88 "\t summarize log file\n" 89 "\t -k <k>, --topk <k> show topk processes for each counter\n" 90 ); 91 } 92 93 static int 94 pmc_summary_handler(int logfd, int k, bool do_full) 95 { 96 struct pmclog_parse_state *ps; 97 struct pmclog_ev ev; 98 idmap pidmap, tidmap, eventnamemap; 99 strintmap tideventmap, pideventmap; 100 intmap eventmap, pmcidmap, ratemap; 101 intmap kerntidmap, kernpidmap; 102 eventcountmap countmap; 103 104 ps = static_cast<struct pmclog_parse_state*>(pmclog_open(logfd)); 105 if (ps == NULL) 106 errx(EX_OSERR, "ERROR: Cannot allocate pmclog parse state: %s\n", 107 strerror(errno)); 108 while (pmclog_read(ps, &ev) == 0) { 109 if (ev.pl_type == PMCLOG_TYPE_PMCALLOCATE) { 110 pmcidmap[ev.pl_u.pl_a.pl_pmcid] = ev.pl_u.pl_a.pl_event; 111 ratemap[ev.pl_u.pl_a.pl_event] = ev.pl_u.pl_a.pl_rate; 112 eventnamemap[ev.pl_u.pl_a.pl_event] = ev.pl_u.pl_a.pl_evname; 113 } 114 if (ev.pl_type == PMCLOG_TYPE_THR_CREATE) { 115 tidmap[ev.pl_u.pl_tc.pl_tid] = ev.pl_u.pl_tc.pl_tdname; 116 kerntidmap[ev.pl_u.pl_tc.pl_tid] = !!(ev.pl_u.pl_tc.pl_flags & P_KPROC); 117 if (tideventmap.find(ev.pl_u.pl_tc.pl_tdname) == tideventmap.end()) 118 tideventmap[ev.pl_u.pl_tc.pl_tdname] = intmap(); 119 } 120 if (ev.pl_type == PMCLOG_TYPE_PROC_CREATE) { 121 pidmap[ev.pl_u.pl_pc.pl_pid] = ev.pl_u.pl_pc.pl_pcomm; 122 kernpidmap[ev.pl_u.pl_pc.pl_pid] = !!(ev.pl_u.pl_pc.pl_flags & P_KPROC); 123 if (pideventmap.find(ev.pl_u.pl_pc.pl_pcomm) == pideventmap.end()) 124 pideventmap[ev.pl_u.pl_pc.pl_pcomm] = intmap(); 125 } 126 if (ev.pl_type == PMCLOG_TYPE_CALLCHAIN) { 127 auto event = pmcidmap[ev.pl_u.pl_cc.pl_pmcid]; 128 129 if (event == 0) 130 continue; 131 eventmap[event]++; 132 auto tidname = tidmap.find(ev.pl_u.pl_cc.pl_tid); 133 auto pidname = pidmap.find(ev.pl_u.pl_cc.pl_pid); 134 if (tidname != tidmap.end()) { 135 auto &teventmap = tideventmap[tidname->second]; 136 teventmap[event]++; 137 } 138 if (pidname != pidmap.end()) { 139 auto &peventmap = pideventmap[pidname->second]; 140 peventmap[event]++; 141 } 142 } 143 } 144 for (auto &pkv : pideventmap) 145 for (auto &ekv : pkv.second) { 146 auto &samplevec = countmap[ekv.first]; 147 samplevec.emplace_back(ekv.second, pkv.first); 148 } 149 for (auto &kv : countmap) 150 std::sort(kv.second.begin(), kv.second.end(), [](auto &a, auto &b) {return (a.first < b.first);}); 151 if (do_full) { 152 for (auto &kv : countmap) { 153 auto &name = eventnamemap[kv.first]; 154 auto rate = ratemap[kv.first]; 155 std::cout << "idx: " << kv.first << " name: " << name << " rate: " << rate << std::endl; 156 while (!kv.second.empty()) { 157 auto val = kv.second.back(); 158 kv.second.pop_back(); 159 std::cout << val.second << ": " << val.first << std::endl; 160 } 161 } 162 return (0); 163 } 164 for (auto &kv : countmap) { 165 auto &name = eventnamemap[kv.first]; 166 auto rate = ratemap[kv.first]; 167 std::cout << name << ":" << std::endl; 168 for (auto i = 0; i < k; i++) { 169 auto largest = kv.second.back(); 170 kv.second.pop_back(); 171 std::cout << "\t" << largest.second << ": " << largest.first*rate << std::endl; 172 } 173 } 174 return (0); 175 } 176 177 static struct option longopts[] = { 178 {"full", no_argument, NULL, 'f'}, 179 {"topk", required_argument, NULL, 'k'}, 180 {NULL, 0, NULL, 0} 181 }; 182 183 int 184 cmd_pmc_summary(int argc, char **argv) 185 { 186 int option, logfd, k; 187 bool do_full; 188 189 do_full = false; 190 k = 5; 191 while ((option = getopt_long(argc, argv, "k:f", longopts, NULL)) != -1) { 192 switch (option) { 193 case 'f': 194 do_full = 1; 195 break; 196 case 'k': 197 k = atoi(optarg); 198 break; 199 case '?': 200 default: 201 usage(); 202 } 203 } 204 argc -= optind; 205 argv += optind; 206 if (argc != 1) { 207 printf("argc: %d\n", argc); 208 for (int i = 0; i < argc; i++) 209 printf("%s\n", argv[i]); 210 usage(); 211 } 212 if ((logfd = open(argv[0], O_RDONLY, 213 S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) < 0) 214 errx(EX_OSERR, "ERROR: Cannot open \"%s\" for reading: %s.", argv[0], 215 strerror(errno)); 216 217 return (pmc_summary_handler(logfd, k, do_full)); 218 } 219