linux/tools/perf/arch
Ian Rogers 1276ade6a5 perf tsc: Add cpuinfo fall back for arch_get_tsc_freq()
The CPUID method of arch_get_tsc_freq fails for older Intel processors,
such as Skylake. Compute using /proc/cpuinfo.

Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kshipra Bopardikar <kshipra.bopardikar@intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Perry Taylor <perry.taylor@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20220718164312.3994191-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-07-25 12:29:07 -03:00
..
alpha perf tools: Add empty Build files for architectures lacking them 2015-08-06 16:24:15 -03:00
arc/annotate perf annotate: Introduce basic support for ARC 2018-12-17 14:59:42 -03:00
arm perf auxtrace: Record whether an auxtrace mmap is needed 2022-05-10 14:27:19 -03:00
arm64 perf mem: Trace physical address for Arm SPE events 2022-06-03 21:39:27 +02:00
csky perf arch: Support register names from all archs 2021-12-16 12:18:12 -03:00
mips tools headers UAPI: Sync files changed by new set_mempolicy_home_node syscall 2022-01-20 11:20:37 -03:00
parisc perf tools: Add empty Build files for architectures lacking them 2015-08-06 16:24:15 -03:00
powerpc perf symbol: Remove arch__symbols__fixup_end() 2022-04-28 10:51:40 -03:00
riscv perf jitdump: Add riscv64 support 2022-04-11 16:37:26 -03:00
riscv64/annotate perf annotate: Add riscv64 support 2021-09-27 09:33:44 -03:00
s390 perf auxtrace: Record whether an auxtrace mmap is needed 2022-05-10 14:27:19 -03:00
sh treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
sparc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
x86 perf tsc: Add cpuinfo fall back for arch_get_tsc_freq() 2022-07-25 12:29:07 -03:00
xtensa treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
Build perf tools: Rename build libperf to perf 2019-02-14 15:18:08 -03:00
common.c perf debug: Remove needless include directives from debug.h 2019-08-31 19:10:19 -03:00
common.h perf env: Remove env.h from other headers where just a fwd decl is needed 2019-08-31 19:10:40 -03:00