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[PATCH 0/2] perf tools: Add support for PERF_RECORD_SWITCH to Intel PT

From Adrian Hunter <adrian.hunter@intel.com>
Newsgroups linux.kernel
Subject [PATCH 0/2] perf tools: Add support for PERF_RECORD_SWITCH to Intel PT
Date 2015-08-13 11:50 +0200
Message-ID <pWXj4-7W6-13@gated-at.bofh.it> (permalink)
Organization Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki

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Hi

Support to enable unprivileged users to see context switches
of their own processes has recently been added to the kernel.

These patches enhance Intel PT support to take advantage of that.

The patches apply on top of the other Intel PT perf tools patches.


Adrian Hunter (2):
      perf tools: Add a helper function to probe whether cpu-wide tracing is possible
      perf tools: Add support for PERF_RECORD_SWITCH to Intel PT

 tools/perf/arch/x86/util/intel-pt.c |  55 ++++++++++++---
 tools/perf/util/evlist.h            |   1 +
 tools/perf/util/intel-pt.c          | 129 +++++++++++++++++++++++++++++-------
 tools/perf/util/record.c            |  24 +++++++
 4 files changed, 176 insertions(+), 33 deletions(-)


Regards
Adrian
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[PATCH 0/2] perf tools: Add support for PERF_RECORD_SWITCH to Intel PT Adrian Hunter <adrian.hunter@intel.com> - 2015-08-13 11:50 +0200

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