Linus Torvalds a4cbbf549a Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip ... Pull perf updates from Ingo Molnar: "Kernel side changes: - AMD range breakpoints support: Extend breakpoint tools and core to support address range through perf event with initial backend support for AMD extended breakpoints. The syntax is: perf record -e mem:addr/len:type For example set write breakpoint from 0x1000 to 0x1200 (0x1000 + 512) perf record -e mem:0x1000/512:w - event throttling/rotating fixes - various event group handling fixes, cleanups and general paranoia code to be more robust against bugs in the future. - kernel stack overhead fixes User-visible tooling side changes: - Show precise number of samples in at the end of a 'record' session, if processing build ids, since we will then traverse the whole perf.data file and see all the PERF_RECORD_SAMPLE records, otherwise stop showing the previous off-base heuristicly counted number of "samples" (Namhyung Kim). - Support to read compressed module from build-id cache (Namhyung Kim) - Enable sampling loads and stores simultaneously in 'perf mem' (Stephane Eranian) - 'perf diff' output improvements (Namhyung Kim) - Fix error reporting for evsel pgfault constructor (Arnaldo Carvalho de Melo) Tooling side infrastructure changes: - Cache eh/debug frame offset for dwarf unwind (Namhyung Kim) - Support parsing parameterized events (Cody P Schafer) - Add support for IP address formats in libtraceevent (David Ahern) Plus other misc fixes" * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (48 commits) perf: Decouple unthrottling and rotating perf: Drop module reference on event init failure perf: Use POLLIN instead of POLL_IN for perf poll data in flag perf: Fix put_event() ctx lock perf: Fix move_group() order perf: Fix event->ctx locking perf: Add a bit of paranoia perf symbols: Convert lseek + read to pread perf tools: Use perf_data_file__fd() consistently perf symbols: Support to read compressed module from build-id cache perf evsel: Set attr.task bit for a tracking event perf header: Set header version correctly perf record: Show precise number of samples perf tools: Do not use __perf_session__process_events() directly perf callchain: Cache eh/debug frame offset for dwarf unwind perf tools: Provide stub for missing pthread_attr_setaffinity_np perf evsel: Don't rely on malloc working for sz 0 tools lib traceevent: Add support for IP address formats perf ui/tui: Show fatal error message only if exists perf tests: Fix typo in sample-parsing.c ...		2015-02-09 15:43:55 -08:00
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