Skip to content
  1. Mar 27, 2015
    • Andi Kleen's avatar
      perf/x86/intel: Add new cache events table for Haswell · 0f1b5ca2
      Andi Kleen authored 
      

Haswell offcore events are quite different from Sandy Bridge.
Add a new table to handle Haswell properly.

Note that the offcore bits listed in the SDM are not quite correct
(this is currently being fixed). An uptodate list of bits is
in the patch.

The basic setup is similar to Sandy Bridge. The prefetch columns
have been removed, as prefetch counting is not very reliable
on Haswell. One L1 event that is not in the event list anymore
has been also removed.

- data reads do not include code reads (comparable to earlier Sandy Bridge tables)
- data counts include speculative execution (except L1 write, dtlb, bpu)
- remote node access includes both remote memory, remote cache, remote mmio.
- prefetches are not included in the counts for consistency
  (different from Sandy Bridge, which includes prefetches in the remote node)

Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
[ Removed the HSM30 comments; we don't have them for SNB/IVB either. ]
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1424225886-18652-1-git-send-email-andi@firstfloor.org


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
      0f1b5ca2
    • Ingo Molnar's avatar
      Merge tag 'perf-core-for-mingo' of... · 30fdaa6b
      Ingo Molnar authored 
      Merge tag 'perf-core-for-mingo' 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:

  - Show the first event with an invalid filter (David Ahern, Arnaldo Carvalho de Melo)

  - Fix garbage output when intermixing syscalls from different threads in 'perf trace' (Arnaldo Carvalho de Melo)

  - Fix 'perf timechart' SIBGUS error on sparc64 (David Ahern)

Infrastructure changes:

  - Set JOBS based on CPU or processor, making it work on SPARC, where
    /proc/cpuinfo has "CPU", not "processor" (David Ahern)

  - Zero should not be considered "not found" in libtraceevent's eval_flag() (Steven Rostedt)

Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
      30fdaa6b
  3. Mar 26, 2015
  5. Mar 25, 2015
  7. Mar 24, 2015
  9. Mar 23, 2015
  11. Mar 22, 2015
    • Ingo Molnar's avatar
      Merge tag 'perf-core-for-mingo-2' of... · 963a70b8
      Ingo Molnar authored 
      Merge tag 'perf-core-for-mingo-2' 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:

  - Handle legacy syscalls tracepoints (David Ahern, Arnaldo Carvalho de Melo)

  - Indicate which callchain entries are annotated in the
    TUI hists browser (report/top) (Arnaldo Carvalho de Melo)

  - Fix failure to add multiple probes without debuginfo (He Kuang)

  - Fix 'trace' summary_only option (David Ahern)

  - Fix race in build_id_cache__add_s() in 'buildid-cache' (Milos Vyletel)

  - Don't allow empty argument for field-separator, fixing segfault (Wang Nan)

Infrastructure:

  - Add destructor for format_field in libtraceevent (David Ahern)

  - Prep work for support lzma compressed kernel modules (Jiri Olsa)

  - Update .gitignore with recently added/renamed feature detection files (Yunlong Song)

Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
      963a70b8
    • Ingo Molnar's avatar
      Merge tag 'perf-core-for-mingo' of... · 08b3f913
      Ingo Molnar authored 
      Merge tag 'perf-core-for-mingo' 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:

  - Bash completion for subcommands (Yunlong Song)

  - Allow annotating entries in callchains in the hists browser (top/report).
    TODO: give some visual cue to what entries in callchains have samples and thus
    can be annotated and/or allow showing the source code for functions without
    samples (Arnaldo Carvalho de Melo)

  - Don't allow empty argument for '-t' in perf report, fixing segfault (Wang Nan)

Infrastructure:

  - Prep work for moving the perf feature tests build system to tools/build (Jiri Olsa)

  - Fix perf-read-vdsox32 not building and lib64 install dir (H.J. Lu)

  - ARM64: fix building error and eh/debug frame offset cache fixes (Wang Nan)

Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
      08b3f913
    • Jiri Olsa's avatar
      perf tools: Use kmod_path__parse for machine__new_dso · ca33380a
      Jiri Olsa authored 
      

Using kmod_path__parse to get the module name and update the dso short
name within machine__new_dso function.

This way it's done only first time when dso is created, unlike the
current way when we update it all the time we process memory map of the
kernel module.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-8gjmt1ggf5ls1xkk7qi2ko4k@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
      ca33380a
    • Jiri Olsa's avatar
      perf tools: Add machine__module_dso function · da17ea33
      Jiri Olsa authored 
      

Separate the dso object addition and update when adding new kernel
module.

Currently we update dso's symtab_type any time we find it in the list,
because we can't distinguish between new and found dso from
__dsos__findnew function.

Adding machine__module_dso that separates finding and adding new dso
objects, so there's no superfluous update of dso.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-uvqgs5tyq4wssnq6fm43hgvk@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
      da17ea33
    • Jiri Olsa's avatar
      perf tools: Add dsos__addnew function · 701d8d7f
      Jiri Olsa authored 
      

Separate the creation of new dso object and its addition to the dsos
list. It will be used in following patch.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-8j43jod97fdt5dwdsushwwae@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
      701d8d7f
    • Jiri Olsa's avatar
      perf tools: Add kmod_path__parse function · 3c8a67f5
      Jiri Olsa authored 
      

Provides united way of parsing kernel module path
into several components.

The new kmod_path__parse function and few defines:

  int __kmod_path__parse(struct kmod_path *m, const char *path,
                         bool alloc_name, bool alloc_ext);

  #define kmod_path__parse(__m, __p)      __kmod_path__parse(__m, __p, false, false)
  #define kmod_path__parse_name(__m, __p) __kmod_path__parse(__m, __p, true , false)
  #define kmod_path__parse_ext(__m, __p)  __kmod_path__parse(__m, __p, false, true)

parse kernel module @path and updates @m argument like:

  @comp - true if @path contains supported compression suffix,
          false otherwise
  @kmod - true if @path contains '.ko' suffix in right position,
          false otherwise
  @name - if (@alloc_name && @kmod) is true, it contains strdup-ed base name
          of the kernel module without suffixes, otherwise strudup-ed
          base name of @path
  @ext  - if (@alloc_ext && @comp) is true, it contains strdup-ed string
          the compression suffix

It returns 0 if there's no strdup error, -ENOMEM otherwise.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-9t6eqg8j610r94l743hkntiv@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
      3c8a67f5