1aaf045f7SSteven Rostedt /* 2aaf045f7SSteven Rostedt * Copyright (C) 2009, Steven Rostedt <srostedt@redhat.com> 3aaf045f7SSteven Rostedt * 4aaf045f7SSteven Rostedt * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 5aaf045f7SSteven Rostedt * 6aaf045f7SSteven Rostedt * This program is free software; you can redistribute it and/or modify 7aaf045f7SSteven Rostedt * it under the terms of the GNU General Public License as published by 8aaf045f7SSteven Rostedt * the Free Software Foundation; version 2 of the License (not later!) 9aaf045f7SSteven Rostedt * 10aaf045f7SSteven Rostedt * This program is distributed in the hope that it will be useful, 11aaf045f7SSteven Rostedt * but WITHOUT ANY WARRANTY; without even the implied warranty of 12aaf045f7SSteven Rostedt * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13aaf045f7SSteven Rostedt * GNU General Public License for more details. 14aaf045f7SSteven Rostedt * 15aaf045f7SSteven Rostedt * You should have received a copy of the GNU General Public License 16aaf045f7SSteven Rostedt * along with this program; if not, write to the Free Software 17aaf045f7SSteven Rostedt * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18aaf045f7SSteven Rostedt * 19aaf045f7SSteven Rostedt * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 20aaf045f7SSteven Rostedt */ 21aaf045f7SSteven Rostedt #include <stdio.h> 22aaf045f7SSteven Rostedt #include <stdlib.h> 23aaf045f7SSteven Rostedt #include <string.h> 24aaf045f7SSteven Rostedt #include <errno.h> 25aaf045f7SSteven Rostedt 261ef2ed10SFrederic Weisbecker #include "../perf.h" 27d2a74d53SArnaldo Carvalho de Melo #include "debug.h" 28ea4010d1SSteven Rostedt #include "trace-event.h" 29ea4010d1SSteven Rostedt 303d689ed6SArnaldo Carvalho de Melo #include "sane_ctype.h" 313d689ed6SArnaldo Carvalho de Melo 32aaf045f7SSteven Rostedt static int get_common_field(struct scripting_context *context, 33aaf045f7SSteven Rostedt int *offset, int *size, const char *type) 347397d80dSTom Zanussi { 35096177a8STzvetomir Stoyanov (VMware) struct tep_handle *pevent = context->pevent; 36aaf045f7SSteven Rostedt struct event_format *event; 37aaf045f7SSteven Rostedt struct format_field *field; 38aaf045f7SSteven Rostedt 39aaf045f7SSteven Rostedt if (!*size) { 40aaf045f7SSteven Rostedt if (!pevent->events) 41aaf045f7SSteven Rostedt return 0; 42aaf045f7SSteven Rostedt 43aaf045f7SSteven Rostedt event = pevent->events[0]; 44af85cd19STzvetomir Stoyanov (VMware) field = tep_find_common_field(event, type); 45aaf045f7SSteven Rostedt if (!field) 46aaf045f7SSteven Rostedt return 0; 47aaf045f7SSteven Rostedt *offset = field->offset; 48aaf045f7SSteven Rostedt *size = field->size; 49aaf045f7SSteven Rostedt } 50aaf045f7SSteven Rostedt 5159c1baeeSTzvetomir Stoyanov (VMware) return tep_read_number(pevent, context->event_data + *offset, *size); 527397d80dSTom Zanussi } 537397d80dSTom Zanussi 547397d80dSTom Zanussi int common_lock_depth(struct scripting_context *context) 557397d80dSTom Zanussi { 56aaf045f7SSteven Rostedt static int offset; 57aaf045f7SSteven Rostedt static int size; 58aaf045f7SSteven Rostedt int ret; 59aaf045f7SSteven Rostedt 60aaf045f7SSteven Rostedt ret = get_common_field(context, &size, &offset, 61aaf045f7SSteven Rostedt "common_lock_depth"); 62aaf045f7SSteven Rostedt if (ret < 0) 63aaf045f7SSteven Rostedt return -1; 64aaf045f7SSteven Rostedt 65aaf045f7SSteven Rostedt return ret; 66aaf045f7SSteven Rostedt } 67aaf045f7SSteven Rostedt 68aaf045f7SSteven Rostedt int common_flags(struct scripting_context *context) 69aaf045f7SSteven Rostedt { 70aaf045f7SSteven Rostedt static int offset; 71aaf045f7SSteven Rostedt static int size; 72aaf045f7SSteven Rostedt int ret; 73aaf045f7SSteven Rostedt 74aaf045f7SSteven Rostedt ret = get_common_field(context, &size, &offset, 75aaf045f7SSteven Rostedt "common_flags"); 76aaf045f7SSteven Rostedt if (ret < 0) 77aaf045f7SSteven Rostedt return -1; 78aaf045f7SSteven Rostedt 79aaf045f7SSteven Rostedt return ret; 80aaf045f7SSteven Rostedt } 81aaf045f7SSteven Rostedt 82aaf045f7SSteven Rostedt int common_pc(struct scripting_context *context) 83aaf045f7SSteven Rostedt { 84aaf045f7SSteven Rostedt static int offset; 85aaf045f7SSteven Rostedt static int size; 86aaf045f7SSteven Rostedt int ret; 87aaf045f7SSteven Rostedt 88aaf045f7SSteven Rostedt ret = get_common_field(context, &size, &offset, 89aaf045f7SSteven Rostedt "common_preempt_count"); 90aaf045f7SSteven Rostedt if (ret < 0) 91aaf045f7SSteven Rostedt return -1; 92aaf045f7SSteven Rostedt 93aaf045f7SSteven Rostedt return ret; 94aaf045f7SSteven Rostedt } 95aaf045f7SSteven Rostedt 96aaf045f7SSteven Rostedt unsigned long long 97aaf045f7SSteven Rostedt raw_field_value(struct event_format *event, const char *name, void *data) 98aaf045f7SSteven Rostedt { 99aaf045f7SSteven Rostedt struct format_field *field; 100aaf045f7SSteven Rostedt unsigned long long val; 101aaf045f7SSteven Rostedt 102af85cd19STzvetomir Stoyanov (VMware) field = tep_find_any_field(event, name); 103aaf045f7SSteven Rostedt if (!field) 104aaf045f7SSteven Rostedt return 0ULL; 105aaf045f7SSteven Rostedt 10659c1baeeSTzvetomir Stoyanov (VMware) tep_read_number_field(field, data, &val); 107aaf045f7SSteven Rostedt 108aaf045f7SSteven Rostedt return val; 109aaf045f7SSteven Rostedt } 110aaf045f7SSteven Rostedt 11197822433SArnaldo Carvalho de Melo unsigned long long read_size(struct event_format *event, void *ptr, int size) 112aaf045f7SSteven Rostedt { 11359c1baeeSTzvetomir Stoyanov (VMware) return tep_read_number(event->pevent, ptr, size); 114aaf045f7SSteven Rostedt } 115aaf045f7SSteven Rostedt 116aa1aac17SArnaldo Carvalho de Melo void event_format__fprintf(struct event_format *event, 117aa1aac17SArnaldo Carvalho de Melo int cpu, void *data, int size, FILE *fp) 118aaf045f7SSteven Rostedt { 119cbc49b25STzvetomir Stoyanov (VMware) struct tep_record record; 120aaf045f7SSteven Rostedt struct trace_seq s; 121aaf045f7SSteven Rostedt 122aaf045f7SSteven Rostedt memset(&record, 0, sizeof(record)); 123aaf045f7SSteven Rostedt record.cpu = cpu; 124aaf045f7SSteven Rostedt record.size = size; 125aaf045f7SSteven Rostedt record.data = data; 126aaf045f7SSteven Rostedt 127aaf045f7SSteven Rostedt trace_seq_init(&s); 1284d5c58b1STzvetomir Stoyanov (VMware) tep_event_info(&s, event, &record); 129aa1aac17SArnaldo Carvalho de Melo trace_seq_do_fprintf(&s, fp); 130b58f608eSJiri Olsa trace_seq_destroy(&s); 131aaf045f7SSteven Rostedt } 132aaf045f7SSteven Rostedt 133aa1aac17SArnaldo Carvalho de Melo void event_format__print(struct event_format *event, 134aa1aac17SArnaldo Carvalho de Melo int cpu, void *data, int size) 135aa1aac17SArnaldo Carvalho de Melo { 136aa1aac17SArnaldo Carvalho de Melo return event_format__fprintf(event, cpu, data, size, stdout); 137aa1aac17SArnaldo Carvalho de Melo } 138aa1aac17SArnaldo Carvalho de Melo 139096177a8STzvetomir Stoyanov (VMware) void parse_ftrace_printk(struct tep_handle *pevent, 1401d037ca1SIrina Tirdea char *file, unsigned int size __maybe_unused) 141aaf045f7SSteven Rostedt { 142aaf045f7SSteven Rostedt unsigned long long addr; 143aaf045f7SSteven Rostedt char *printk; 144aaf045f7SSteven Rostedt char *line; 145aaf045f7SSteven Rostedt char *next = NULL; 146aaf045f7SSteven Rostedt char *addr_str; 1475bcaaca3SMartin Liška char *fmt = NULL; 148aaf045f7SSteven Rostedt 149aaf045f7SSteven Rostedt line = strtok_r(file, "\n", &next); 150aaf045f7SSteven Rostedt while (line) { 151aaf045f7SSteven Rostedt addr_str = strtok_r(line, ":", &fmt); 152aaf045f7SSteven Rostedt if (!addr_str) { 153d2a74d53SArnaldo Carvalho de Melo pr_warning("printk format with empty entry"); 154aaf045f7SSteven Rostedt break; 155aaf045f7SSteven Rostedt } 156aaf045f7SSteven Rostedt addr = strtoull(addr_str, NULL, 16); 157aaf045f7SSteven Rostedt /* fmt still has a space, skip it */ 158aaf045f7SSteven Rostedt printk = strdup(fmt+1); 159aaf045f7SSteven Rostedt line = strtok_r(NULL, "\n", &next); 160aaf045f7SSteven Rostedt pevent_register_print_string(pevent, printk, addr); 161aaf045f7SSteven Rostedt } 162aaf045f7SSteven Rostedt } 163aaf045f7SSteven Rostedt 164096177a8STzvetomir Stoyanov (VMware) void parse_saved_cmdline(struct tep_handle *pevent, 165cd4ceb63SNamhyung Kim char *file, unsigned int size __maybe_unused) 166cd4ceb63SNamhyung Kim { 167cd4ceb63SNamhyung Kim char *comm; 168cd4ceb63SNamhyung Kim char *line; 169cd4ceb63SNamhyung Kim char *next = NULL; 170cd4ceb63SNamhyung Kim int pid; 171cd4ceb63SNamhyung Kim 172cd4ceb63SNamhyung Kim line = strtok_r(file, "\n", &next); 173cd4ceb63SNamhyung Kim while (line) { 174cd4ceb63SNamhyung Kim sscanf(line, "%d %ms", &pid, &comm); 175cd4ceb63SNamhyung Kim pevent_register_comm(pevent, comm, pid); 176cd4ceb63SNamhyung Kim free(comm); 177cd4ceb63SNamhyung Kim line = strtok_r(NULL, "\n", &next); 178cd4ceb63SNamhyung Kim } 179cd4ceb63SNamhyung Kim } 180cd4ceb63SNamhyung Kim 181096177a8STzvetomir Stoyanov (VMware) int parse_ftrace_file(struct tep_handle *pevent, char *buf, unsigned long size) 182aaf045f7SSteven Rostedt { 183c60167c1STzvetomir Stoyanov (VMware) return tep_parse_event(pevent, buf, size, "ftrace"); 184aaf045f7SSteven Rostedt } 185aaf045f7SSteven Rostedt 186096177a8STzvetomir Stoyanov (VMware) int parse_event_file(struct tep_handle *pevent, 187da378962SArnaldo Carvalho de Melo char *buf, unsigned long size, char *sys) 188aaf045f7SSteven Rostedt { 189c60167c1STzvetomir Stoyanov (VMware) return tep_parse_event(pevent, buf, size, sys); 190aaf045f7SSteven Rostedt } 191aaf045f7SSteven Rostedt 192096177a8STzvetomir Stoyanov (VMware) struct event_format *trace_find_next_event(struct tep_handle *pevent, 193da378962SArnaldo Carvalho de Melo struct event_format *event) 194aaf045f7SSteven Rostedt { 195aaf045f7SSteven Rostedt static int idx; 196aaf045f7SSteven Rostedt 197d0d39138SNamhyung Kim if (!pevent || !pevent->events) 198aaf045f7SSteven Rostedt return NULL; 199aaf045f7SSteven Rostedt 200aaf045f7SSteven Rostedt if (!event) { 201aaf045f7SSteven Rostedt idx = 0; 202aaf045f7SSteven Rostedt return pevent->events[0]; 203aaf045f7SSteven Rostedt } 204aaf045f7SSteven Rostedt 205aaf045f7SSteven Rostedt if (idx < pevent->nr_events && event == pevent->events[idx]) { 206aaf045f7SSteven Rostedt idx++; 207aaf045f7SSteven Rostedt if (idx == pevent->nr_events) 208aaf045f7SSteven Rostedt return NULL; 209aaf045f7SSteven Rostedt return pevent->events[idx]; 210aaf045f7SSteven Rostedt } 211aaf045f7SSteven Rostedt 212aaf045f7SSteven Rostedt for (idx = 1; idx < pevent->nr_events; idx++) { 213aaf045f7SSteven Rostedt if (event == pevent->events[idx - 1]) 214aaf045f7SSteven Rostedt return pevent->events[idx]; 215aaf045f7SSteven Rostedt } 216aaf045f7SSteven Rostedt return NULL; 217aaf045f7SSteven Rostedt } 218aaf045f7SSteven Rostedt 219aaf045f7SSteven Rostedt struct flag { 220aaf045f7SSteven Rostedt const char *name; 221aaf045f7SSteven Rostedt unsigned long long value; 222aaf045f7SSteven Rostedt }; 223aaf045f7SSteven Rostedt 224aaf045f7SSteven Rostedt static const struct flag flags[] = { 225aaf045f7SSteven Rostedt { "HI_SOFTIRQ", 0 }, 226aaf045f7SSteven Rostedt { "TIMER_SOFTIRQ", 1 }, 227aaf045f7SSteven Rostedt { "NET_TX_SOFTIRQ", 2 }, 228aaf045f7SSteven Rostedt { "NET_RX_SOFTIRQ", 3 }, 229aaf045f7SSteven Rostedt { "BLOCK_SOFTIRQ", 4 }, 230511cbce2SChristoph Hellwig { "IRQ_POLL_SOFTIRQ", 5 }, 231aaf045f7SSteven Rostedt { "TASKLET_SOFTIRQ", 6 }, 232aaf045f7SSteven Rostedt { "SCHED_SOFTIRQ", 7 }, 233aaf045f7SSteven Rostedt { "HRTIMER_SOFTIRQ", 8 }, 234aaf045f7SSteven Rostedt { "RCU_SOFTIRQ", 9 }, 235aaf045f7SSteven Rostedt 236aaf045f7SSteven Rostedt { "HRTIMER_NORESTART", 0 }, 237aaf045f7SSteven Rostedt { "HRTIMER_RESTART", 1 }, 238aaf045f7SSteven Rostedt }; 239aaf045f7SSteven Rostedt 240aaf045f7SSteven Rostedt unsigned long long eval_flag(const char *flag) 241aaf045f7SSteven Rostedt { 242aaf045f7SSteven Rostedt int i; 243aaf045f7SSteven Rostedt 244aaf045f7SSteven Rostedt /* 245aaf045f7SSteven Rostedt * Some flags in the format files do not get converted. 246aaf045f7SSteven Rostedt * If the flag is not numeric, see if it is something that 247aaf045f7SSteven Rostedt * we already know about. 248aaf045f7SSteven Rostedt */ 249aaf045f7SSteven Rostedt if (isdigit(flag[0])) 250aaf045f7SSteven Rostedt return strtoull(flag, NULL, 0); 251aaf045f7SSteven Rostedt 252aaf045f7SSteven Rostedt for (i = 0; i < (int)(sizeof(flags)/sizeof(flags[0])); i++) 253aaf045f7SSteven Rostedt if (strcmp(flags[i].name, flag) == 0) 254aaf045f7SSteven Rostedt return flags[i].value; 255aaf045f7SSteven Rostedt 256aaf045f7SSteven Rostedt return 0; 2577397d80dSTom Zanussi } 258