[PATCH 0/9] perf intel-pt: Add support for synthesizing branch stacks for regular events

From: Adrian Hunter
Date: Wed Apr 29 2020 - 11:07:57 EST


Hi

This patchset adds Intel PT support for synthesizing branch stacks for
regular events. This follows on from the patchset that did the same thing
for call chains.

The first 3 patches convert Intel PT to using thread-stack to record branch
stacks, which allows branch stacks to be accumulated separately for each
thread.

The next 3 patches add support for synthesizing branch stacks for regular
events.

The final 2 patches update some documentation.


Adrian Hunter (9):
perf thread-stack: Add branch stack support
perf intel-pt: Consolidate thread-stack use condition
perf intel-pt: Change branch stack support to use thread-stacks
perf auxtrace: Add option to synthesize branch stack for regular events
perf evsel: Add support for synthesized branch stack sample type
perf thread-stack: Add thread_stack__br_sample_late()
perf intel-pt: Add support for synthesizing branch stacks for regular events
perf intel-pt: Update documentation about itrace G and L options
perf intel-pt: Update documentation about using /proc/kcore

tools/perf/Documentation/itrace.txt | 5 +
tools/perf/Documentation/perf-intel-pt.txt | 53 +++++--
tools/perf/builtin-inject.c | 3 +-
tools/perf/builtin-report.c | 5 +-
tools/perf/util/auxtrace.c | 6 +-
tools/perf/util/auxtrace.h | 2 +
tools/perf/util/evsel.h | 10 ++
tools/perf/util/intel-bts.c | 2 +-
tools/perf/util/intel-pt.c | 210 ++++++++++++++--------------
tools/perf/util/s390-cpumsf.c | 3 +-
tools/perf/util/session.c | 2 +-
tools/perf/util/thread-stack.c | 217 +++++++++++++++++++++++++++--
tools/perf/util/thread-stack.h | 8 +-
13 files changed, 393 insertions(+), 133 deletions(-)


Regards
Adrian