• Linus Torvalds's avatar
    Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · c1776a18
    Linus Torvalds authored
    Pull perf updates from Ingo Molnar:
     "This tree includes an x86 PMU scheduling fix, but most changes are
      late breaking tooling fixes and updates:
      User visible fixes:
       - Create config.detected into OUTPUT directory, fixing parallel
         builds sharing the same source directory (Aaro Kiskinen)
       - Allow to specify custom linker command, fixing some MIPS64 builds.
         (Aaro Kiskinen)
       - Fix to show proper convergence stats in 'perf bench numa' (Srikar
      User visible changes:
       - Validate syscall list passed via -e argument to 'perf trace'.
         (Arnaldo Carvalho de Melo)
       - Introduce 'perf stat --per-thread' (Jiri Olsa)
       - Check access permission for --kallsyms and --vmlinux (Li Zhang)
       - Move toggling event logic from 'perf top' and into hists browser,
         allowing freeze/unfreeze with event lists with more than one entry
         (Namhyung Kim)
       - Add missing newlines when dumping PERF_RECORD_FINISHED_ROUND and
         showing the Aggregated stats in 'perf report -D' (Adrian Hunter)
      Infrastructure fixes:
       - Add missing break for PERF_RECORD_ITRACE_START, which caused those
         events samples to be parsed as well as PERF_RECORD_LOST_SAMPLES.
         ITRACE_START only appears when Intel PT or BTS are present, so..
         (Jiri Olsa)
       - Call the perf_session destructor when bailing out in the inject,
         kmem, report, kvm and mem tools (Taeung Song)
      Infrastructure changes:
       - Move stuff out of 'perf stat' and into the lib for further use
         (Jiri Olsa)
       - Reference count the cpu_map and thread_map classes (Jiri Olsa)
       - Set evsel->{cpus,threads} from the evlist, if not set, allowing the
         generalization of some 'perf stat' functions that previously were
         accessing private static evlist variable (Jiri Olsa)
       - Delete an unnecessary check before the calling free_event_desc()
         (Markus Elfring)
       - Allow auxtrace data alignment (Adrian Hunter)
       - Allow events with dot (Andi Kleen)
       - Fix failure to 'perf probe' events on arm (He Kuang)
       - Add testing for Makefile.perf (Jiri Olsa)
       - Add test for make install with prefix (Jiri Olsa)
       - Fix single target build dependency check (Jiri Olsa)
       - Access thread_map entries via accessors, prep patch to hold more
         info per entry, for ongoing 'perf stat --per-thread' work (Jiri
       - Use __weak definition from compiler.h (Sukadev Bhattiprolu)
       - Split perf_pmu__new_alias() (Sukadev Bhattiprolu)"
    * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (54 commits)
      perf tools: Allow to specify custom linker command
      perf tools: Create config.detected into OUTPUT directory
      perf mem: Fill in the missing session freeing after an error occurs
      perf kvm: Fill in the missing session freeing after an error occurs
      perf report: Fill in the missing session freeing after an error occurs
      perf kmem: Fill in the missing session freeing after an error occurs
      perf inject: Fill in the missing session freeing after an error occurs
      perf tools: Add missing break for PERF_RECORD_ITRACE_START
      perf/x86: Fix 'active_events' imbalance
      perf symbols: Check access permission when reading symbol files
      perf stat: Introduce --per-thread option
      perf stat: Introduce print_counters function
      perf stat: Using init_stats instead of memset
      perf stat: Rename print_interval to process_interval
      perf stat: Remove perf_evsel__read_cb function
      perf stat: Move perf_stat initialization counter process code
      perf stat: Move zero_per_pkg into counter process code
      perf stat: Separate counters reading and processing
      perf stat: Introduce read_counters function
      perf stat: Introduce perf_evsel__read function
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