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Message-ID: <tip-597ee40722bf05195f91a41e88e15b79bdab152c@git.kernel.org>
Date: Fri, 25 Sep 2015 23:21:54 -0700
From: tip-bot for Adrian Hunter <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: adrian.hunter@...el.com, acme@...hat.com, mingo@...nel.org,
hpa@...or.com, jolsa@...hat.com, linux-kernel@...r.kernel.org,
tglx@...utronix.de
Subject: [tip:perf/urgent] perf intel-pt:
Remove no_force_psb from documentation
Commit-ID: 597ee40722bf05195f91a41e88e15b79bdab152c
Gitweb: http://git.kernel.org/tip/597ee40722bf05195f91a41e88e15b79bdab152c
Author: Adrian Hunter <adrian.hunter@...el.com>
AuthorDate: Thu, 24 Sep 2015 13:05:21 +0300
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 25 Sep 2015 10:42:38 -0300
perf intel-pt: Remove no_force_psb from documentation
no_force_psb was dropped as a late change to the kernel driver.
Consequently, remove it from the documentation.
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Link: http://lkml.kernel.org/r/1443089122-19082-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/Documentation/intel-pt.txt | 15 ---------------
1 file changed, 15 deletions(-)
diff --git a/tools/perf/Documentation/intel-pt.txt b/tools/perf/Documentation/intel-pt.txt
index 4a0501d..c94c9de 100644
--- a/tools/perf/Documentation/intel-pt.txt
+++ b/tools/perf/Documentation/intel-pt.txt
@@ -364,21 +364,6 @@ cyc_thresh Specifies how frequently CYC packets are produced - see cyc
CYC packets are not requested by default.
-no_force_psb This is a driver option and is not in the IA32_RTIT_CTL MSR.
-
- It stops the driver resetting the byte count to zero whenever
- enabling the trace (for example on context switches) which in
- turn results in no PSB being forced. However some processors
- will produce a PSB anyway.
-
- In any case, there is still a PSB when the trace is enabled for
- the first time.
-
- no_force_psb can be used to slightly decrease the trace size but
- may make it harder for the decoder to recover from errors.
-
- no_force_psb is not selected by default.
-
new snapshot option
-------------------
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