From 75e906c9601aee73b88d6e6dc02371f8c3ca24d7 Mon Sep 17 00:00:00 2001 From: Don Zickus Date: Fri, 23 May 2014 18:41:23 +0200 Subject: [PATCH] perf report: Add mem-mode documentation to report command Add mem-mode sorting types and mem-mode itself to perf-report documentation. Signed-off-by: Don Zickus Link: http://lkml.kernel.org/r/1400526833-141779-5-git-send-email-dzickus@redhat.com Signed-off-by: Jiri Olsa --- tools/perf/Documentation/perf-report.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index cefdf430d1b4..00fbfb6d7f14 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -117,6 +117,21 @@ OPTIONS By default, every sort keys not specified in -F will be appended automatically. + If --mem-mode option is used, following sort keys are also available + (incompatible with --branch-stack): + symbol_daddr, dso_daddr, locked, tlb, mem, snoop. + + - symbol_daddr: name of data symbol being executed on at the time of sample + - dso_daddr: name of library or module containing the data being executed + on at the time of sample + - locked: whether the bus was locked at the time of sample + - tlb: type of tlb access for the data at the time of sample + - mem: type of memory access for the data at the time of sample + - snoop: type of snoop (if any) for the data at the time of sample + + And default sort keys are changed to local_weight, mem, sym, dso, + symbol_daddr, dso_daddr, snoop, tlb, locked, see '--mem-mode'. + -p:: --parent=:: A regex filter to identify parent. The parent is a caller of this @@ -260,6 +275,13 @@ OPTIONS Demangle symbol names to human readable form. It's enabled by default, disable with --no-demangle. +--mem-mode:: + Use the data addresses of samples in addition to instruction addresses + to build the histograms. To generate meaningful output, the perf.data + file must have been obtained using perf record -d -W and using a + special event -e cpu/mem-loads/ or -e cpu/mem-stores/. See + 'perf mem' for simpler access. + --percent-limit:: Do not show entries which have an overhead under that percent. (Default: 0). -- 2.11.0