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| author | Namhyung Kim <namhyung.kim@lge.com> | 2012-06-20 15:08:06 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-06-27 13:17:48 -0300 |
| commit | 08942f6d5d992e9486b07653fd87ea8182a22fa0 (patch) | |
| tree | c2e7389b108f1951841b0024a02b7fc90950f07b /tools/perf/bench | |
| parent | 209bd9e3e14712d74c8bebb028afda905d689f1c (diff) | |
| download | blackbird-op-linux-08942f6d5d992e9486b07653fd87ea8182a22fa0.tar.gz blackbird-op-linux-08942f6d5d992e9486b07653fd87ea8182a22fa0.zip | |
perf bench: Documentation update
The current perf-bench documentation has a couple of typos and even
lacks entire description of mem subsystem. Fix it.
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1340172486-17805-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/bench')
| -rw-r--r-- | tools/perf/bench/mem-memcpy.c | 4 | ||||
| -rw-r--r-- | tools/perf/bench/mem-memset.c | 8 |
2 files changed, 6 insertions, 6 deletions
diff --git a/tools/perf/bench/mem-memcpy.c b/tools/perf/bench/mem-memcpy.c index 71557225bf92..d990365cafa0 100644 --- a/tools/perf/bench/mem-memcpy.c +++ b/tools/perf/bench/mem-memcpy.c @@ -32,13 +32,13 @@ static bool no_prefault; static const struct option options[] = { OPT_STRING('l', "length", &length_str, "1MB", "Specify length of memory to copy. " - "available unit: B, MB, GB (upper and lower)"), + "Available units: B, KB, MB, GB and TB (upper and lower)"), OPT_STRING('r', "routine", &routine, "default", "Specify routine to copy"), OPT_INTEGER('i', "iterations", &iterations, "repeat memcpy() invocation this number of times"), OPT_BOOLEAN('c', "clock", &use_clock, - "Use CPU clock for measuring"), + "Use cycles event instead of gettimeofday() for measuring"), OPT_BOOLEAN('o', "only-prefault", &only_prefault, "Show only the result with page faults before memcpy()"), OPT_BOOLEAN('n', "no-prefault", &no_prefault, diff --git a/tools/perf/bench/mem-memset.c b/tools/perf/bench/mem-memset.c index e9079185bd72..bf0d5f552017 100644 --- a/tools/perf/bench/mem-memset.c +++ b/tools/perf/bench/mem-memset.c @@ -31,14 +31,14 @@ static bool no_prefault; static const struct option options[] = { OPT_STRING('l', "length", &length_str, "1MB", - "Specify length of memory to copy. " - "available unit: B, MB, GB (upper and lower)"), + "Specify length of memory to set. " + "Available units: B, KB, MB, GB and TB (upper and lower)"), OPT_STRING('r', "routine", &routine, "default", - "Specify routine to copy"), + "Specify routine to set"), OPT_INTEGER('i', "iterations", &iterations, "repeat memset() invocation this number of times"), OPT_BOOLEAN('c', "clock", &use_clock, - "Use CPU clock for measuring"), + "Use cycles event instead of gettimeofday() for measuring"), OPT_BOOLEAN('o', "only-prefault", &only_prefault, "Show only the result with page faults before memset()"), OPT_BOOLEAN('n', "no-prefault", &no_prefault, |
