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perf trace/scripting: Add support for script args

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One oversight of the original scripting_ops patch was a lack of
support for passing args to handler scripts.  This adds
argc/argv to the start_script() scripting_op, and changes the
rw-by-file script to take 'comm' arg rather than the 'perf'
value currently hard-coded.  It also takes the opportunity to do
some related minor cleanup.

Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Cc: fweisbec@gmail.com
Cc: rostedt@goodmis.org
LKML-Reference: <1260867220-15699-2-git-send-email-tzanussi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Tom Zanussi 2009-12-15 02:53:35 -06:00 • committed by Ingo Molnar
parent c249a4ce79
commit 586bc5cce8
5 changed files with 38 additions and 26 deletions
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2
tools/perf/scripts/perl/bin/rw-by-file-report
View file

@ -1,5 +1,5 @@
#!/bin/bash
perf trace -s ~/libexec/perf-core/scripts/perl/rw-by-file.pl
perf trace -s ~/libexec/perf-core/scripts/perl/rw-by-file.pl $1

5
tools/perf/scripts/perl/rw-by-file.pl
View file

@ -18,8 +18,9 @@ use lib "./Perf-Trace-Util/lib";
use Perf::Trace::Core;
use Perf::Trace::Util;
# change this to the comm of the program you're interested in
my $for_comm = "perf";
my $usage = "perf trace -s rw-by-file.pl <comm>\n";
my $for_comm = shift or die $usage;
my %reads;
my %writes;