linux-kernel - [PATCH 09/16] tools/perf: document parameterized events and note symbolically formed events

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Date:	Tue, 27 May 2014 17:22:04 -0700
From:	Cody P Schafer <dev@...yps.com>
To:	LKML <linux-kernel@...r.kernel.org>,
	Linux PPC <linuxppc-dev@...ts.ozlabs.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Cody P Schafer <dev@...yps.com>,
	Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
	Michael Ellerman <michael@...erman.id.au>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [PATCH 09/16] tools/perf: document parameterized events and note symbolically formed events

CC: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Signed-off-by: Cody P Schafer <dev@...yps.com>
---
 tools/perf/Documentation/perf-list.txt   | 13 +++++++++++++
 tools/perf/Documentation/perf-record.txt |  5 +++++
 2 files changed, 18 insertions(+)

diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt
index 6fce6a6..626818b 100644
--- a/tools/perf/Documentation/perf-list.txt
+++ b/tools/perf/Documentation/perf-list.txt
@@ -89,6 +89,19 @@ raw encoding of 0x1A8 can be used:
 You should refer to the processor specific documentation for getting these
 details. Some of them are referenced in the SEE ALSO section below.
 
+PARAMETERIZED EVENTS
+--------------------
+
+Some pmu events listed by 'perf-list' will be displayed with '?' in them. For
+example:
+
+  hv_gpci/dtbp_ptitc,phys_processor_idx=?/
+
+This means that when provided as an event, a value for phys_processor_idx must
+also be supplied. For example:
+
+  perf stat -e 'hv_gpci/dtbp_ptitc,phys_processor_idx=0x2/' ...
+
 OPTIONS
 -------
 
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index c71b0f3..c005180 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -33,6 +33,11 @@ OPTIONS
         - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a
 	  hexadecimal event descriptor.
 
+	- a symbolicly formed PMU event like 'pmu/value1=0x3,value2/' where
+	  'value1' and 'value2' are defined as formats in
+	  /sys/bus/event_sources/devices/pmu/format/* OR are one of 'config',
+	  'config1', 'config2'.
+
         - a hardware breakpoint event in the form of '\mem:addr[:access]'
           where addr is the address in memory you want to break in.
           Access is the memory access type (read, write, execute) it can
-- 
1.9.3

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