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| author | Ingo Molnar <mingo@kernel.org> | 2015-09-01 11:24:54 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-09-01 11:25:57 +0300 |
| commit | 532026612455a4a6fd27c1b2e7111263f63218a2 (patch) | |
| tree | e8bd142665af1ef296bb663a959dc5a8e2b6b5dc /tools/perf/arch/x86/util/perf_regs.c | |
| parent | 65a99597f044c083983f4274ab049c9ec3b9d764 (diff) | |
| parent | bcc84ec65ad1bd9f777a1fade6f8e5e0c5808fa5 (diff) | |
| download | linux-532026612455a4a6fd27c1b2e7111263f63218a2.tar.xz | |
Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
User visible changes:
- Add ability to specify to select which registers to record,
to reduce the size of perf.data files, and also allow printing
the registers in 'perf script': (Stephane Eranian)
# perf record --intr-regs=AX,SP usleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.016 MB perf.data (8 samples) ]
# perf script -F ip,sym,iregs | tail -5
ffffffff8105f42a native_write_msr_safe AX:0xf SP:0xffff8802629c3c00
ffffffff8105f42a native_write_msr_safe AX:0xf SP:0xffff8802629c3c00
ffffffff81761ac0 _raw_spin_lock AX:0xffff8801bfcf8020 SP:0xffff8802629c3ce8
ffffffff81202bf8 __vma_adjust_trans_huge AX:0x7ffc75200000 SP:0xffff8802629c3b30
ffffffff8122b089 dput AX:0x101 SP:0xffff8802629c3c78
#
Infrastructure changes:
- Open event on evsel cpus and threads. (Kan Liang)
- Add new bpf API to get name from a BPF object. (Wang Nan)
Build fixes:
- Fix build on powerpc broken by pt/bts. (Adrian Hunter)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/arch/x86/util/perf_regs.c')
| -rw-r--r-- | tools/perf/arch/x86/util/perf_regs.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c new file mode 100644 index 000000000000..087c84ef5234 --- /dev/null +++ b/tools/perf/arch/x86/util/perf_regs.c @@ -0,0 +1,30 @@ +#include "../../perf.h" +#include "../../util/perf_regs.h" + +#define REG(n, b) { .name = #n, .mask = 1ULL << (b) } +#define REG_END { .name = NULL } +const struct sample_reg sample_reg_masks[] = { + REG(AX, PERF_REG_X86_AX), + REG(BX, PERF_REG_X86_BX), + REG(CX, PERF_REG_X86_CX), + REG(DX, PERF_REG_X86_DX), + REG(SI, PERF_REG_X86_SI), + REG(DI, PERF_REG_X86_DI), + REG(BP, PERF_REG_X86_BP), + REG(SP, PERF_REG_X86_SP), + REG(IP, PERF_REG_X86_IP), + REG(FLAGS, PERF_REG_X86_FLAGS), + REG(CS, PERF_REG_X86_CS), + REG(SS, PERF_REG_X86_SS), +#ifdef HAVE_ARCH_X86_64_SUPPORT + REG(R8, PERF_REG_X86_R8), + REG(R9, PERF_REG_X86_R9), + REG(R10, PERF_REG_X86_R10), + REG(R11, PERF_REG_X86_R11), + REG(R12, PERF_REG_X86_R12), + REG(R13, PERF_REG_X86_R13), + REG(R14, PERF_REG_X86_R14), + REG(R15, PERF_REG_X86_R15), +#endif + REG_END +}; |