cregit-Linux how code gets into the kernel

Release 4.10 tools/perf/builtin-buildid-list.c

Directory: tools/perf
/*
 * builtin-buildid-list.c
 *
 * Builtin buildid-list command: list buildids in perf.data, in the running
 * kernel and in ELF files.
 *
 * Copyright (C) 2009, Red Hat Inc.
 * Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
 */
#include "builtin.h"
#include "perf.h"
#include "util/build-id.h"
#include "util/cache.h"
#include "util/debug.h"
#include <subcmd/parse-options.h>
#include "util/session.h"
#include "util/symbol.h"
#include "util/data.h"


static int sysfs__fprintf_build_id(FILE *fp) { char sbuild_id[SBUILD_ID_SIZE]; int ret; ret = sysfs__sprintf_build_id("/", sbuild_id); if (ret != sizeof(sbuild_id)) return ret < 0 ? ret : -EINVAL; return fprintf(fp, "%s\n", sbuild_id); }

Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo3357.89%133.33%
masami hiramatsumasami hiramatsu2442.11%266.67%
Total57100.00%3100.00%


static int filename__fprintf_build_id(const char *name, FILE *fp) { char sbuild_id[SBUILD_ID_SIZE]; int ret; ret = filename__sprintf_build_id(name, sbuild_id); if (ret != sizeof(sbuild_id)) return ret < 0 ? ret : -EINVAL; return fprintf(fp, "%s\n", sbuild_id); }

Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo4267.74%133.33%
masami hiramatsumasami hiramatsu2032.26%266.67%
Total62100.00%3100.00%


static bool dso__skip_buildid(struct dso *dso, int with_hits) { return with_hits && !dso->hit; }

Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo22100.00%1100.00%
Total22100.00%1100.00%


static int perf_session__list_build_ids(bool force, bool with_hits) { struct perf_session *session; struct perf_data_file file = { .path = input_name, .mode = PERF_DATA_MODE_READ, .force = force, }; symbol__elf_init(); /* * See if this is an ELF file first: */ if (filename__fprintf_build_id(input_name, stdout) > 0) goto out; session = perf_session__new(&file, false, &build_id__mark_dso_hit_ops); if (session == NULL) return -1; /* * We take all buildids when the file contains AUX area tracing data * because we do not decode the trace because it would take too long. */ if (!perf_data_file__is_pipe(&file) && perf_header__has_feat(&session->header, HEADER_AUXTRACE)) with_hits = false; /* * in pipe-mode, the only way to get the buildids is to parse * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID */ if (with_hits || perf_data_file__is_pipe(&file)) perf_session__process_events(session); perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits); perf_session__delete(session); out: return 0; }

Contributors

PersonTokensPropCommitsCommitProp
robert richterrobert richter6042.86%218.18%
jiri olsajiri olsa2820.00%218.18%
adrian hunteradrian hunter2417.14%19.09%
arnaldo carvalho de meloarnaldo carvalho de melo2215.71%327.27%
masami hiramatsumasami hiramatsu21.43%19.09%
namhyung kimnamhyung kim21.43%19.09%
stephane eranianstephane eranian21.43%19.09%
Total140100.00%11100.00%


int cmd_buildid_list(int argc, const char **argv, const char *prefix __maybe_unused) { bool show_kernel = false; bool with_hits = false; bool force = false; const struct option options[] = { OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"), OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"), OPT_INCR('v', "verbose", &verbose, "be more verbose"), OPT_END() }; const char * const buildid_list_usage[] = { "perf buildid-list [<options>]", NULL }; argc = parse_options(argc, argv, options, buildid_list_usage, 0); setup_pager(); if (show_kernel) return !(sysfs__fprintf_build_id(stdout) > 0); return perf_session__list_build_ids(force, with_hits); }

Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo15696.30%250.00%
michael petlanmichael petlan53.09%125.00%
irina tirdeairina tirdea10.62%125.00%
Total162100.00%4100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
arnaldo carvalho de meloarnaldo carvalho de melo29963.48%840.00%
robert richterrobert richter6012.74%210.00%
masami hiramatsumasami hiramatsu469.77%210.00%
jiri olsajiri olsa316.58%210.00%
adrian hunteradrian hunter245.10%15.00%
michael petlanmichael petlan51.06%15.00%
namhyung kimnamhyung kim20.42%15.00%
stephane eranianstephane eranian20.42%15.00%
irina tirdeairina tirdea10.21%15.00%
josh poimboeufjosh poimboeuf10.21%15.00%
Total471100.00%20100.00%
Directory: tools/perf
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