cregit-Linux how code gets into the kernel

Release 4.10 tools/perf/util/trace-event-parse.c

Directory: tools/perf/util
/*
 * Copyright (C) 2009, Steven Rostedt <srostedt@redhat.com>
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License (not later!)
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>

#include "../perf.h"
#include "util.h"
#include "trace-event.h"


static int get_common_field(struct scripting_context *context, int *offset, int *size, const char *type) { struct pevent *pevent = context->pevent; struct event_format *event; struct format_field *field; if (!*size) { if (!pevent->events) return 0; event = pevent->events[0]; field = pevent_find_common_field(event, type); if (!field) return 0; *offset = field->offset; *size = field->size; } return pevent_read_number(pevent, context->event_data + *offset, *size); }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt9379.49%133.33%
tom zanussitom zanussi1512.82%133.33%
arnaldo carvalho de meloarnaldo carvalho de melo97.69%133.33%
Total117100.00%3100.00%


int common_lock_depth(struct scripting_context *context) { static int offset; static int size; int ret; ret = get_common_field(context, &size, &offset, "common_lock_depth"); if (ret < 0) return -1; return ret; }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt49100.00%1100.00%
Total49100.00%1100.00%


int common_flags(struct scripting_context *context) { static int offset; static int size; int ret; ret = get_common_field(context, &size, &offset, "common_flags"); if (ret < 0) return -1; return ret; }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt3571.43%150.00%
tom zanussitom zanussi1428.57%150.00%
Total49100.00%2100.00%


int common_pc(struct scripting_context *context) { static int offset; static int size; int ret; ret = get_common_field(context, &size, &offset, "common_preempt_count"); if (ret < 0) return -1; return ret; }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt3979.59%150.00%
tom zanussitom zanussi1020.41%150.00%
Total49100.00%2100.00%


unsigned long long raw_field_value(struct event_format *event, const char *name, void *data) { struct format_field *field; unsigned long long val; field = pevent_find_any_field(event, name); if (!field) return 0ULL; pevent_read_number_field(field, data, &val); return val; }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt61100.00%1100.00%
Total61100.00%1100.00%


unsigned long long read_size(struct event_format *event, void *ptr, int size) { return pevent_read_number(event->pevent, ptr, size); }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt2477.42%133.33%
arnaldo carvalho de meloarnaldo carvalho de melo722.58%266.67%
Total31100.00%3100.00%


void event_format__fprintf(struct event_format *event, int cpu, void *data, int size, FILE *fp) { struct pevent_record record; struct trace_seq s; memset(&record, 0, sizeof(record)); record.cpu = cpu; record.size = size; record.data = data; trace_seq_init(&s); pevent_event_info(&s, event, &record); trace_seq_do_fprintf(&s, fp); trace_seq_destroy(&s); }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt7276.60%228.57%
arnaldo carvalho de meloarnaldo carvalho de melo1313.83%342.86%
jiri olsajiri olsa66.38%114.29%
david aherndavid ahern33.19%114.29%
Total94100.00%7100.00%


void event_format__print(struct event_format *event, int cpu, void *data, int size) { return event_format__fprintf(event, cpu, data, size, stdout); }

Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo34100.00%1100.00%
Total34100.00%1100.00%


void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size __maybe_unused) { unsigned long long addr; char *printk; char *line; char *next = NULL; char *addr_str; char *fmt = NULL; line = strtok_r(file, "\n", &next); while (line) { addr_str = strtok_r(line, ":", &fmt); if (!addr_str) { warning("printk format with empty entry"); break; } addr = strtoull(addr_str, NULL, 16); /* fmt still has a space, skip it */ printk = strdup(fmt+1); line = strtok_r(NULL, "\n", &next); pevent_register_print_string(pevent, printk, addr); } }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt12593.98%125.00%
arnaldo carvalho de meloarnaldo carvalho de melo53.76%125.00%
martin liskamartin liska21.50%125.00%
irina tirdeairina tirdea10.75%125.00%
Total133100.00%4100.00%


int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size) { return pevent_parse_event(pevent, buf, size, "ftrace"); }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt2583.33%150.00%
arnaldo carvalho de meloarnaldo carvalho de melo516.67%150.00%
Total30100.00%2100.00%


int parse_event_file(struct pevent *pevent, char *buf, unsigned long size, char *sys) { return pevent_parse_event(pevent, buf, size, sys); }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt2985.29%150.00%
arnaldo carvalho de meloarnaldo carvalho de melo514.71%150.00%
Total34100.00%2100.00%


struct event_format *trace_find_next_event(struct pevent *pevent, struct event_format *event) { static int idx; if (!pevent || !pevent->events) return NULL; if (!event) { idx = 0; return pevent->events[0]; } if (idx < pevent->nr_events && event == pevent->events[idx]) { idx++; if (idx == pevent->nr_events) return NULL; return pevent->events[idx]; } for (idx = 1; idx < pevent->nr_events; idx++) { if (event == pevent->events[idx - 1]) return pevent->events[idx]; } return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt12794.07%133.33%
arnaldo carvalho de meloarnaldo carvalho de melo53.70%133.33%
namhyung kimnamhyung kim32.22%133.33%
Total135100.00%3100.00%

struct flag { const char *name; unsigned long long value; }; static const struct flag flags[] = { { "HI_SOFTIRQ", 0 }, { "TIMER_SOFTIRQ", 1 }, { "NET_TX_SOFTIRQ", 2 }, { "NET_RX_SOFTIRQ", 3 }, { "BLOCK_SOFTIRQ", 4 }, { "IRQ_POLL_SOFTIRQ", 5 }, { "TASKLET_SOFTIRQ", 6 }, { "SCHED_SOFTIRQ", 7 }, { "HRTIMER_SOFTIRQ", 8 }, { "RCU_SOFTIRQ", 9 }, { "HRTIMER_NORESTART", 0 }, { "HRTIMER_RESTART", 1 }, };
unsigned long long eval_flag(const char *flag) { int i; /* * Some flags in the format files do not get converted. * If the flag is not numeric, see if it is something that * we already know about. */ if (isdigit(flag[0])) return strtoull(flag, NULL, 0); for (i = 0; i < (int)(sizeof(flags)/sizeof(flags[0])); i++) if (strcmp(flags[i].name, flag) == 0) return flags[i].value; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt9097.83%150.00%
tom zanussitom zanussi22.17%150.00%
Total92100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
steven rostedtsteven rostedt88686.10%320.00%
arnaldo carvalho de meloarnaldo carvalho de melo838.07%426.67%
tom zanussitom zanussi413.98%16.67%
jiri olsajiri olsa60.58%16.67%
namhyung kimnamhyung kim30.29%16.67%
frederic weisbeckerfrederic weisbecker30.29%16.67%
david aherndavid ahern30.29%16.67%
martin liskamartin liska20.19%16.67%
christoph hellwigchristoph hellwig10.10%16.67%
irina tirdeairina tirdea10.10%16.67%
Total1029100.00%15100.00%
Directory: tools/perf/util
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