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perf evlist: Handle default value for 'pages' on mmap method

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Every tool that calls this and allows the user to override the value
needs this logic.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-lwscxpg57xfzahz5dmdfp9uz@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2011-11-09 09:10:47 -02:00
parent 35b9d88ecd
commit 50a682ce87
3 changed files with 11 additions and 8 deletions
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4
tools/perf/builtin-record.c
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@@ -456,10 +456,6 @@ static int __cmd_record(int argc, const char **argv)
perf_header__set_feat(&session->header, HEADER_NUMA_TOPOLOGY);
perf_header__set_feat(&session->header, HEADER_CPUID);
/* 512 kiB: default amount of unprivileged mlocked memory */
if (mmap_pages == UINT_MAX)
mmap_pages = (512 * 1024) / page_size;
if (forks) {
err = perf_evlist__prepare_workload(evsel_list, &record_opts, argv);
if (err < 0) {