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authorIngo Molnar <mingo@kernel.org>2016-09-20 23:32:02 +0200
committerIngo Molnar <mingo@kernel.org>2016-09-20 23:32:02 +0200
commit89f1c2c59c4aef8e26edbc7db5175e6ffb0e9ec7 (patch)
treea87f3a07009fd14cb446f9ed35d9fe8f8269ff40 /kernel/events
parent8ee83b2ab3d1987cbd80c9f2c6f2b12fed87b51e (diff)
parent3c028a0cb5b71f47d523bc8ad2c597cb257f41fb (diff)
Merge tag 'perf-core-for-mingo-20160920' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: User visible changes: - Support event group view with hierarchy mode in 'perf top' and 'perf report' (Namhyung Kim) e.g.: $ perf record -e '{cycles,instructions}' make $ perf report --hierarchy --stdio ... # Overhead Command / Shared Object / Symbol # ...................... .................................. ... 25.74% 27.18% sh 19.96% 24.14% libc-2.24.so 9.55% 14.64% [.] __strcmp_sse2 1.54% 0.00% [.] __tfind 1.07% 1.13% [.] _int_malloc 0.95% 0.00% [.] __strchr_sse2 0.89% 1.39% [.] __tsearch 0.76% 0.00% [.] strlen - Fix the dwarf regs table for x86_64, adding a missing % to the "%di" register, noticed with a failing 'perf test bpf' (Arnaldo Carvalho de Melo) - Fix handling of mmap parameters in the 'perf trace' beautifier in architectures that don't have the same mappings as x86_64 (Wang Nan) - Handle hugetbl mappings in older systems running new kernels (Wang Nan) - Resolve 'call' operands in 'annotate', that when using /proc/kcore were appearing just as hexadecimal addresses, to function names (Arnaldo Carvalho de Melo) - Fix width computation for srcline sort entry (Jiri Olsa) - Do not ignore call instruction with indirect target in 'annotate' (Ravi Bangoria) - Handle MADV_FREE in the madvise 'trace' beautifier (Wang Nan) - Fix build of 'perf trace' mman beautifier in !x86_64 (Wang Nan) Infrastructure changes: - Add infrastructure for PMU specific configuration, allowing to pass config variables directly to the kernel PMU driver, prefixing those variables with a '@', part of a larger series to support Coresight (Mathieu Poirier) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
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