Messages in this thread Patch in this message | | | From | Robert Richter <> | Subject | [PATCH 2/4] perf record: Make feature initialization generic | Date | Thu, 15 Dec 2011 17:32:40 +0100 |
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Loop over all features to enable it instead of explicitly enabling every single feature. Reducing duplicate code and making it more robust to later changes e.g. when adding more features.
Signed-off-by: Robert Richter <robert.richter@amd.com> --- tools/perf/builtin-record.c | 28 +++++++++------------------- tools/perf/util/header.h | 1 + 2 files changed, 10 insertions(+), 19 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index ec230e2..4684e7f 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -375,7 +375,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) { struct stat st; int flags; - int err, output; + int err, output, feat; unsigned long waking = 0; const bool forks = argc > 0; struct machine *machine; @@ -442,8 +442,14 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) rec->session = session; - if (!rec->no_buildid) - perf_header__set_feat(&session->header, HEADER_BUILD_ID); + for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) + perf_header__set_feat(&session->header, feat); + + if (rec->no_buildid) + perf_header__clear_feat(&session->header, HEADER_BUILD_ID); + + if (!have_tracepoints(&evsel_list->entries)) + perf_header__clear_feat(&session->header, HEADER_TRACE_INFO); if (!rec->file_new) { err = perf_session__read_header(session, output); @@ -451,22 +457,6 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) goto out_delete_session; } - if (have_tracepoints(&evsel_list->entries)) - perf_header__set_feat(&session->header, HEADER_TRACE_INFO); - - perf_header__set_feat(&session->header, HEADER_HOSTNAME); - perf_header__set_feat(&session->header, HEADER_OSRELEASE); - perf_header__set_feat(&session->header, HEADER_ARCH); - perf_header__set_feat(&session->header, HEADER_CPUDESC); - perf_header__set_feat(&session->header, HEADER_NRCPUS); - perf_header__set_feat(&session->header, HEADER_EVENT_DESC); - perf_header__set_feat(&session->header, HEADER_CMDLINE); - perf_header__set_feat(&session->header, HEADER_VERSION); - perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY); - perf_header__set_feat(&session->header, HEADER_TOTAL_MEM); - perf_header__set_feat(&session->header, HEADER_NUMA_TOPOLOGY); - perf_header__set_feat(&session->header, HEADER_CPUID); - if (forks) { err = perf_evlist__prepare_workload(evsel_list, opts, argv); if (err < 0) { diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index ac4ec95..e68f617 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -11,6 +11,7 @@ enum { HEADER_RESERVED = 0, /* always cleared */ + HEADER_FIRST_FEATURE = 1, HEADER_TRACE_INFO = 1, HEADER_BUILD_ID, -- 1.7.7
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