Commit-ID: 6dbc8ca97b7737fa9254083df29d06c556b0653c Gitweb: http://git.kernel.org/tip/6dbc8ca97b7737fa9254083df29d06c556b0653c Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Wed, 18 Dec 2013 18:16:18 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Thu, 19 Dec 2013 11:34:37 -0300
perf report: Introduce helpers for processing callchains Continuing to try to remove the code duplication introduced with mem and branch hist entry code, this time providing prologue and epilogues to deal with callchains when processing samples. Acked-by: Namhyung Kim <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/builtin-report.c | 72 ++++++++++++++++++++------------------------- 1 file changed, 32 insertions(+), 40 deletions(-) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 9a20c9e..8424053 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -75,6 +75,24 @@ static int perf_report_config(const char *var, const char *value, void *cb) return perf_default_config(var, value, cb); } +static int report__resolve_callchain(struct perf_report *rep, struct symbol **parent, + struct perf_evsel *evsel, struct addr_location *al, + struct perf_sample *sample, struct machine *machine) +{ + if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { + return machine__resolve_callchain(machine, evsel, al->thread, sample, + parent, al, rep->max_stack); + } + return 0; +} + +static int hist_entry__append_callchain(struct hist_entry *he, struct perf_sample *sample) +{ + if (!symbol_conf.use_callchain) + return 0; + return callchain_append(he->callchain, &callchain_cursor, sample->period); +} + static int perf_report__add_mem_hist_entry(struct perf_tool *tool, struct addr_location *al, struct perf_sample *sample, @@ -85,19 +103,13 @@ static int perf_report__add_mem_hist_entry(struct perf_tool *tool, struct perf_report *rep = container_of(tool, struct perf_report, tool); struct symbol *parent = NULL; u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - int err = 0; struct hist_entry *he; struct mem_info *mi, *mx; uint64_t cost; + int err = report__resolve_callchain(rep, &parent, evsel, al, sample, machine); - if ((sort__has_parent || symbol_conf.use_callchain) && - sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al->thread, - sample, &parent, al, - rep->max_stack); - if (err) - return err; - } + if (err) + return err; mi = machine__resolve_mem(machine, al->thread, sample, cpumode); if (!mi) @@ -133,13 +145,7 @@ static int perf_report__add_mem_hist_entry(struct perf_tool *tool, evsel->hists.stats.total_period += cost; hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); - err = 0; - - if (symbol_conf.use_callchain) { - err = callchain_append(he->callchain, - &callchain_cursor, - sample->period); - } + err = hist_entry__append_callchain(he, sample); out: return err; } @@ -152,19 +158,13 @@ static int perf_report__add_branch_hist_entry(struct perf_tool *tool, { struct perf_report *rep = container_of(tool, struct perf_report, tool); struct symbol *parent = NULL; - int err = 0; unsigned i; struct hist_entry *he; struct branch_info *bi, *bx; + int err = report__resolve_callchain(rep, &parent, evsel, al, sample, machine); - if ((sort__has_parent || symbol_conf.use_callchain) - && sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al->thread, - sample, &parent, al, - rep->max_stack); - if (err) - return err; - } + if (err) + return err; bi = machine__resolve_bstack(machine, al->thread, sample->branch_stack); @@ -216,16 +216,11 @@ static int perf_evsel__add_hist_entry(struct perf_tool *tool, { struct perf_report *rep = container_of(tool, struct perf_report, tool); struct symbol *parent = NULL; - int err = 0; struct hist_entry *he; + int err = report__resolve_callchain(rep, &parent, evsel, al, sample, machine); - if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al->thread, - sample, &parent, al, - rep->max_stack); - if (err) - return err; - } + if (err) + return err; he = __hists__add_entry(&evsel->hists, al, parent, NULL, NULL, sample->period, sample->weight, @@ -233,17 +228,14 @@ static int perf_evsel__add_hist_entry(struct perf_tool *tool, if (he == NULL) return -ENOMEM; - if (symbol_conf.use_callchain) { - err = callchain_append(he->callchain, - &callchain_cursor, - sample->period); - if (err) - return err; - } + err = hist_entry__append_callchain(he, sample); + if (err) + goto out; err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); evsel->hists.stats.total_period += sample->period; hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); +out: return err; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
