diff options
Diffstat (limited to 'tools/perf/builtin-diff.c')
| -rw-r--r-- | tools/perf/builtin-diff.c | 90 |
1 files changed, 19 insertions, 71 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index ff91e9c291b..66f100d249a 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -16,10 +16,10 @@ #include <stdlib.h> -static char const *input_old = "perf.data.old", - *input_new = "perf.data"; -static int force; -static bool show_percent; +static char const *input_old = "perf.data.old", + *input_new = "perf.data"; +static int force; +static bool show_displacement; static int perf_session__add_hist_entry(struct perf_session *self, struct addr_location *al, u64 count) @@ -162,70 +162,6 @@ static void perf_session__match_hists(struct perf_session *old_session, } } -static size_t hist_entry__fprintf_matched(struct hist_entry *self, - unsigned long pos, - struct perf_session *session, - struct perf_session *pair_session, - FILE *fp) -{ - u64 old_count = 0; - char displacement[16]; - size_t printed; - - if (self->pair != NULL) { - long pdiff = (long)self->pair->position - (long)pos; - old_count = self->pair->count; - if (pdiff == 0) - goto blank; - snprintf(displacement, sizeof(displacement), "%+4ld", pdiff); - } else { -blank: memset(displacement, ' ', sizeof(displacement)); - } - - printed = fprintf(fp, "%4lu %5.5s ", pos, displacement); - - if (show_percent) { - double old_percent = 0, new_percent = 0, diff; - - if (pair_session->events_stats.total > 0) - old_percent = (old_count * 100) / pair_session->events_stats.total; - if (session->events_stats.total > 0) - new_percent = (self->count * 100) / session->events_stats.total; - - diff = old_percent - new_percent; - if (verbose) - printed += fprintf(fp, " %3.2f%% %3.2f%%", old_percent, new_percent); - - if ((u64)diff != 0) - printed += fprintf(fp, " %+4.2F%%", diff); - else - printed += fprintf(fp, " "); - } else { - if (verbose) - printed += fprintf(fp, " %9Lu %9Lu", old_count, self->count); - printed += fprintf(fp, " %+9Ld", (s64)self->count - (s64)old_count); - } - - return printed + fprintf(fp, " %25.25s %s\n", - self->map->dso->name, self->sym->name); -} - -static size_t perf_session__fprintf_matched_hists(struct perf_session *self, - struct perf_session *pair, - FILE *fp) -{ - struct rb_node *nd; - size_t printed = 0; - unsigned long pos = 1; - - for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { - struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); - printed += hist_entry__fprintf_matched(he, pos++, self, pair, fp); - } - - return printed; -} - static int __cmd_diff(void) { int ret, i; @@ -244,7 +180,8 @@ static int __cmd_diff(void) } perf_session__match_hists(session[0], session[1]); - perf_session__fprintf_matched_hists(session[1], session[0], stdout); + perf_session__fprintf_hists(session[1], session[0], + show_displacement, stdout); out_delete: for (i = 0; i < 2; ++i) perf_session__delete(session[i]); @@ -258,13 +195,13 @@ static const char *const diff_usage[] = { static const struct option options[] = { OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), + OPT_BOOLEAN('m', "displacement", &show_displacement, + "Show position displacement relative to baseline"), OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, "load module symbols - WARNING: use only with -k and LIVE kernel"), - OPT_BOOLEAN('p', "percentages", &show_percent, - "Don't shorten the pathnames taking into account the cwd"), OPT_BOOLEAN('P', "full-paths", &event_ops.full_paths, "Don't shorten the pathnames taking into account the cwd"), OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", @@ -273,6 +210,11 @@ static const struct option options[] = { "only consider symbols in these comms"), OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", "only consider these symbols"), + OPT_STRING('s', "sort", &sort_order, "key[,key2...]", + "sort by key(s): pid, comm, dso, symbol, parent"), + OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", + "separator for columns, no spaces will be added between " + "columns '.' is reserved."), OPT_END() }; @@ -289,10 +231,16 @@ int cmd_diff(int argc, const char **argv, const char *prefix __used) input_new = argv[0]; } + symbol_conf.exclude_other = false; if (symbol__init() < 0) return -1; setup_sorting(diff_usage, options); setup_pager(); + + sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", NULL); + sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", NULL); + sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", NULL); + return __cmd_diff(); } |