linux-kernel - [tip:perf/core] perf report: Add flag for non ANY branch mode

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 7 Aug 2015 00:19:55 -0700
From:	tip-bot for Andi Kleen <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org, hpa@...or.com,
	ak@...ux.intel.com, namhyung@...nel.org, jolsa@...nel.org,
	tglx@...utronix.de, acme@...hat.com
Subject: [tip:perf/core] perf report: Add flag for non ANY branch mode

Commit-ID:  98df858ed46ddaaf9be3573eb2b63b57a68c6af7
Gitweb:     http://git.kernel.org/tip/98df858ed46ddaaf9be3573eb2b63b57a68c6af7
Author:     Andi Kleen <ak@...ux.intel.com>
AuthorDate: Sat, 18 Jul 2015 08:24:47 -0700
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 6 Aug 2015 16:31:39 -0300

perf report: Add flag for non ANY branch mode

Later patches need to cheaply check that the branch mode is in ANY.  Add
a new function to check all event attrs and add a flag to the report
state, which is then initialized.

v2: Rename flag

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
Acked-by: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: http://lkml.kernel.org/r/1437233094-12844-3-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-report.c |  7 +++++++
 tools/perf/util/evlist.c    | 10 ++++++++++
 tools/perf/util/evlist.h    |  1 +
 3 files changed, 18 insertions(+)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 95a4771..3ba0e97 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -53,6 +53,7 @@ struct report {
 	bool			mem_mode;
 	bool			header;
 	bool			header_only;
+	bool			nonany_branch_mode;
 	int			max_stack;
 	struct perf_read_values	show_threads_values;
 	const char		*pretty_printing_style;
@@ -258,6 +259,12 @@ static int report__setup_sample_type(struct report *rep)
 		else
 			callchain_param.record_mode = CALLCHAIN_FP;
 	}
+
+	/* ??? handle more cases than just ANY? */
+	if (!(perf_evlist__combined_branch_type(session->evlist) &
+				PERF_SAMPLE_BRANCH_ANY))
+		rep->nonany_branch_mode = true;
+
 	return 0;
 }
 
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 3b9f411..373f65b 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1273,6 +1273,16 @@ u64 perf_evlist__combined_sample_type(struct perf_evlist *evlist)
 	return __perf_evlist__combined_sample_type(evlist);
 }
 
+u64 perf_evlist__combined_branch_type(struct perf_evlist *evlist)
+{
+	struct perf_evsel *evsel;
+	u64 branch_type = 0;
+
+	evlist__for_each(evlist, evsel)
+		branch_type |= evsel->attr.branch_sample_type;
+	return branch_type;
+}
+
 bool perf_evlist__valid_read_format(struct perf_evlist *evlist)
 {
 	struct perf_evsel *first = perf_evlist__first(evlist), *pos = first;
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index a8930b6..3977570 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -165,6 +165,7 @@ void perf_evlist__set_leader(struct perf_evlist *evlist);
 u64 perf_evlist__read_format(struct perf_evlist *evlist);
 u64 __perf_evlist__combined_sample_type(struct perf_evlist *evlist);
 u64 perf_evlist__combined_sample_type(struct perf_evlist *evlist);
+u64 perf_evlist__combined_branch_type(struct perf_evlist *evlist);
 bool perf_evlist__sample_id_all(struct perf_evlist *evlist);
 u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist);
 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/