linux-kernel - [tip:perfcounters/core] perf record: Print out the number of events captured

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>] [day] [month] [year] [list]

Message-ID: <tip-addc2785ce92ff05da8edf18317b6b4719e10d9f@git.kernel.org>
Date:	Tue, 2 Jun 2009 22:49:27 GMT
From:	tip-bot for Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, paulus@...ba.org,
	hpa@...or.com, mingo@...hat.com, jkacur@...hat.com,
	a.p.zijlstra@...llo.nl, efault@....de, mtosatti@...hat.com,
	tglx@...utronix.de, cjashfor@...ux.vnet.ibm.com, mingo@...e.hu
Subject: [tip:perfcounters/core] perf record: Print out the number of events captured

Commit-ID:  addc2785ce92ff05da8edf18317b6b4719e10d9f
Gitweb:     http://git.kernel.org/tip/addc2785ce92ff05da8edf18317b6b4719e10d9f
Author:     Ingo Molnar <mingo@...e.hu>
AuthorDate: Tue, 2 Jun 2009 23:43:11 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Tue, 2 Jun 2009 23:43:11 +0200

perf record: Print out the number of events captured

It makes sense to inform the user about how many events
perf record has written - so that the sufficiency of
profiling coverage and intensity can be determined at
a glance.

Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: John Kacur <jkacur@...hat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 Documentation/perf_counter/builtin-record.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/Documentation/perf_counter/builtin-record.c b/Documentation/perf_counter/builtin-record.c
index 2741b35..ec3b73a 100644
--- a/Documentation/perf_counter/builtin-record.c
+++ b/Documentation/perf_counter/builtin-record.c
@@ -467,6 +467,9 @@ static int __cmd_record(int argc, const char **argv)
 			ret = poll(event_array, nr_poll, 100);
 	}
 
+
+	fprintf(stderr, "[ perf record: Captured and wrote %ld events. ]\n", events);
+
 	return 0;
 }
 
--
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/