linux/tools/perf
Linus Torvalds c206353dfd perf tools changes and fixes for v6.5: 2nd batch
Build:
 
  - Allow to generate vmlinux.h from BTF using `make GEN_VMLINUX_H=1`
    and skip if the vmlinux has no BTF.
 
  - Replace deprecated clang -target xxx option by --target=xxx.
 
 perf record:
 
  - Print event attributes with well known type and config symbols in the
    debug output like below:
 
     # perf record -e cycles,cpu-clock -C0 -vv true
     <SNIP>
     ------------------------------------------------------------
     perf_event_attr:
       type                             0 (PERF_TYPE_HARDWARE)
       size                             136
       config                           0 (PERF_COUNT_HW_CPU_CYCLES)
       { sample_period, sample_freq }   4000
       sample_type                      IP|TID|TIME|CPU|PERIOD|IDENTIFIER
       read_format                      ID
       disabled                         1
       inherit                          1
       freq                             1
       sample_id_all                    1
       exclude_guest                    1
     ------------------------------------------------------------
     sys_perf_event_open: pid -1  cpu 0  group_fd -1  flags 0x8 = 5
     ------------------------------------------------------------
     perf_event_attr:
       type                             1 (PERF_TYPE_SOFTWARE)
       size                             136
       config                           0 (PERF_COUNT_SW_CPU_CLOCK)
       { sample_period, sample_freq }   4000
       sample_type                      IP|TID|TIME|CPU|PERIOD|IDENTIFIER
       read_format                      ID
       disabled                         1
       inherit                          1
       freq                             1
       sample_id_all                    1
       exclude_guest                    1
 
  - Update AMD IBS event error message since it now support per-process
    profiling but no priviledge filters.
 
     $ sudo perf record -e ibs_op//k -C 0
     Error:
     AMD IBS doesn't support privilege filtering. Try again without
     the privilege modifiers (like 'k') at the end.
 
 perf lock contention:
 
  - Support CSV style output using -x option
 
     $ sudo perf lock con -ab -x, sleep 1
     # output: contended, total wait, max wait, avg wait, type, caller
     19, 194232, 21415, 10222, spinlock, process_one_work+0x1f0
     15, 162748, 23843, 10849, rwsem:R, do_user_addr_fault+0x40e
     4, 86740, 23415, 21685, rwlock:R, ep_poll_callback+0x2d
     1, 84281, 84281, 84281, mutex, iwl_mvm_async_handlers_wk+0x135
     8, 67608, 27404, 8451, spinlock, __queue_work+0x174
     3, 58616, 31125, 19538, rwsem:W, do_mprotect_pkey+0xff
     3, 52953, 21172, 17651, rwlock:W, do_epoll_wait+0x248
     2, 30324, 19704, 15162, rwsem:R, do_madvise+0x3ad
     1, 24619, 24619, 24619, spinlock, rcu_core+0xd4
 
  - Add --output option to save the data to a file not to be interfered
    by other debug messages.
 
 Test:
 
  - Fix event parsing test on ARM where there's no raw PMU nor supports
    PERF_PMU_CAP_EXTENDED_HW_TYPE.
 
  - Update the lock contention test case for CSV output.
 
  - Fix a segfault in the daemon command test.
 
 Vendor events (JSON):
 
  - Add has_event() to check if the given event is available on system
    at runtime.  On Intel machines, some transaction events may not be
    present when TSC extensions are disabled.
 
  - Update Intel event metrics.
 
 Misc:
 
  - Sort symbols by name using an external array of pointers instead of
    a rbtree node in the symbol.  This will save 16-bytes or 24-bytes
    per symbol whether the sorting is actually requested or not.
 
  - Fix unwinding DWARF callstacks using libdw when --symfs option is
    used.
 
 Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-for-v6.5-2-2023-07-06' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next

Pull more perf tools updates from Namhyung Kim:
 "These are remaining changes and fixes for this cycle.

  Build:

   - Allow generating vmlinux.h from BTF using `make GEN_VMLINUX_H=1`
     and skip if the vmlinux has no BTF.

   - Replace deprecated clang -target xxx option by --target=xxx.

  perf record:

   - Print event attributes with well known type and config symbols in
     the debug output like below:

       # perf record -e cycles,cpu-clock -C0 -vv true
       <SNIP>
       ------------------------------------------------------------
       perf_event_attr:
         type                             0 (PERF_TYPE_HARDWARE)
         size                             136
         config                           0 (PERF_COUNT_HW_CPU_CYCLES)
         { sample_period, sample_freq }   4000
         sample_type                      IP|TID|TIME|CPU|PERIOD|IDENTIFIER
         read_format                      ID
         disabled                         1
         inherit                          1
         freq                             1
         sample_id_all                    1
         exclude_guest                    1
       ------------------------------------------------------------
       sys_perf_event_open: pid -1  cpu 0  group_fd -1  flags 0x8 = 5
       ------------------------------------------------------------
       perf_event_attr:
         type                             1 (PERF_TYPE_SOFTWARE)
         size                             136
         config                           0 (PERF_COUNT_SW_CPU_CLOCK)
         { sample_period, sample_freq }   4000
         sample_type                      IP|TID|TIME|CPU|PERIOD|IDENTIFIER
         read_format                      ID
         disabled                         1
         inherit                          1
         freq                             1
         sample_id_all                    1
         exclude_guest                    1

   - Update AMD IBS event error message since it now support per-process
     profiling but no priviledge filters.

       $ sudo perf record -e ibs_op//k -C 0
       Error:
       AMD IBS doesn't support privilege filtering. Try again without
       the privilege modifiers (like 'k') at the end.

  perf lock contention:

   - Support CSV style output using -x option

       $ sudo perf lock con -ab -x, sleep 1
       # output: contended, total wait, max wait, avg wait, type, caller
       19, 194232, 21415, 10222, spinlock, process_one_work+0x1f0
       15, 162748, 23843, 10849, rwsem:R, do_user_addr_fault+0x40e
       4, 86740, 23415, 21685, rwlock:R, ep_poll_callback+0x2d
       1, 84281, 84281, 84281, mutex, iwl_mvm_async_handlers_wk+0x135
       8, 67608, 27404, 8451, spinlock, __queue_work+0x174
       3, 58616, 31125, 19538, rwsem:W, do_mprotect_pkey+0xff
       3, 52953, 21172, 17651, rwlock:W, do_epoll_wait+0x248
       2, 30324, 19704, 15162, rwsem:R, do_madvise+0x3ad
       1, 24619, 24619, 24619, spinlock, rcu_core+0xd4

   - Add --output option to save the data to a file not to be interfered
     by other debug messages.

  Test:

   - Fix event parsing test on ARM where there's no raw PMU nor supports
     PERF_PMU_CAP_EXTENDED_HW_TYPE.

   - Update the lock contention test case for CSV output.

   - Fix a segfault in the daemon command test.

  Vendor events (JSON):

   - Add has_event() to check if the given event is available on system
     at runtime. On Intel machines, some transaction events may not be
     present when TSC extensions are disabled.

   - Update Intel event metrics.

  Misc:

   - Sort symbols by name using an external array of pointers instead of
     a rbtree node in the symbol. This will save 16-bytes or 24-bytes
     per symbol whether the sorting is actually requested or not.

   - Fix unwinding DWARF callstacks using libdw when --symfs option is
     used"

* tag 'perf-tools-for-v6.5-2-2023-07-06' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next: (38 commits)
  perf test: Fix event parsing test when PERF_PMU_CAP_EXTENDED_HW_TYPE isn't supported.
  perf test: Fix event parsing test on Arm
  perf evsel amd: Fix IBS error message
  perf: unwind: Fix symfs with libdw
  perf symbol: Fix uninitialized return value in symbols__find_by_name()
  perf test: Test perf lock contention CSV output
  perf lock contention: Add --output option
  perf lock contention: Add -x option for CSV style output
  perf lock: Remove stale comments
  perf vendor events intel: Update tigerlake to 1.13
  perf vendor events intel: Update skylakex to 1.31
  perf vendor events intel: Update skylake to 57
  perf vendor events intel: Update sapphirerapids to 1.14
  perf vendor events intel: Update icelakex to 1.21
  perf vendor events intel: Update icelake to 1.19
  perf vendor events intel: Update cascadelakex to 1.19
  perf vendor events intel: Update meteorlake to 1.03
  perf vendor events intel: Add rocketlake events/metrics
  perf vendor metrics intel: Make transaction metrics conditional
  perf jevents: Support for has_event function
  ...
2023-07-08 10:21:51 -07:00
..
arch perf tools changes and fixes for v6.5: 2nd batch 2023-07-08 10:21:51 -07:00
bench perf bench sched messaging: Free contexts on exit 2023-06-12 18:18:14 -03:00
dlfilters perf tools: Fix usage of the verbose variable 2022-12-20 15:16:33 -03:00
Documentation perf lock contention: Add --output option 2023-07-01 10:48:48 -07:00
examples/bpf perf trace: Remove unused bpf map 'syscalls' 2022-11-23 10:30:00 -03:00
include/perf
jvmti
pmu-events perf vendor events intel: Update tigerlake to 1.13 2023-06-29 22:13:24 -07:00
python
scripts perf python scripting: Get rid of unused import in arm-cs-trace-disasm 2023-06-13 23:40:33 -03:00
tests perf test: Fix event parsing test when PERF_PMU_CAP_EXTENDED_HW_TYPE isn't supported. 2023-07-05 12:23:00 -07:00
trace perf tools changes and fixes for v6.5: 1st batch 2023-06-30 11:35:41 -07:00
ui perf annotation: Switch lock from a mutex to a sharded_mutex 2023-06-20 17:04:21 -07:00
util perf tools changes and fixes for v6.5: 2nd batch 2023-07-08 10:21:51 -07:00
.gitignore perf jevents: Run metric_test.py at compile-time 2023-02-03 17:11:39 -03:00
Build perf script: Fix Python support when no libtraceevent 2023-03-15 10:27:07 -03:00
builtin-annotate.c perf addr_location: Add init/exit/copy functions 2023-06-12 15:57:53 -03:00
builtin-bench.c perf bench: Add missing setlocale() call to allow usage of %'d style formatting 2023-06-05 10:36:58 -03:00
builtin-buildid-cache.c
builtin-buildid-list.c perf util: Move input_name to util 2023-04-10 19:21:31 -03:00
builtin-c2c.c perf callchain: Use pthread keys for tls callchain_cursor 2023-06-12 15:57:54 -03:00
builtin-config.c perf path: Make mkpath thread safe, remove 16384 bytes from .bss 2023-05-28 10:24:14 -03:00
builtin-daemon.c perf tools: Add missing else to cmd_daemon subcommand condition 2023-06-27 12:09:44 -07:00
builtin-data.c perf util: Move input_name to util 2023-04-10 19:21:31 -03:00
builtin-diff.c perf srcline: Optimize comparision against SRCLINE_UNKNOWN 2023-06-12 18:17:00 -03:00
builtin-evlist.c perf util: Move input_name to util 2023-04-10 19:21:31 -03:00
builtin-ftrace.c perf tools fixes for v6.4: 2nd batch 2023-05-31 15:31:56 -03:00
builtin-help.c perf path: Make mkpath thread safe, remove 16384 bytes from .bss 2023-05-28 10:24:14 -03:00
builtin-inject.c perf inject: Lazily allocate guest_event event_buf 2023-06-12 18:18:14 -03:00
builtin-kallsyms.c perf symbol: Remove now unused symbol_conf.sort_by_name 2023-06-23 21:48:49 -07:00
builtin-kmem.c perf callchain: Use pthread keys for tls callchain_cursor 2023-06-12 15:57:54 -03:00
builtin-kvm.c perf evsel: Introduce evsel__name_is() method to check if the evsel name is equal to a given string 2023-04-24 14:28:11 -03:00
builtin-kwork.c perf callchain: Use pthread keys for tls callchain_cursor 2023-06-12 15:57:54 -03:00
builtin-list.c perf list: Check arguments to show libpfm4 events 2023-06-12 15:57:53 -03:00
builtin-lock.c perf lock contention: Add --output option 2023-07-01 10:48:48 -07:00
builtin-mem.c perf addr_location: Add init/exit/copy functions 2023-06-12 15:57:53 -03:00
builtin-probe.c perf probe: Dynamically allocate params memory 2023-05-28 10:24:02 -03:00
builtin-record.c perf pmus: Remove perf_pmus__has_hybrid 2023-05-27 09:42:38 -03:00
builtin-report.c perf symbol: Remove now unused symbol_conf.sort_by_name 2023-06-23 21:48:49 -07:00
builtin-sched.c perf sched: Avoid large stack allocations 2023-06-12 18:18:14 -03:00
builtin-script.c perf script: Remove some large stack allocations 2023-06-12 18:18:14 -03:00
builtin-stat.c perf stat: Add missing newline in pr_err messages 2023-06-20 15:55:13 -07:00
builtin-timechart.c perf addr_location: Add init/exit/copy functions 2023-06-12 15:57:53 -03:00
builtin-top.c perf annotation: Switch lock from a mutex to a sharded_mutex 2023-06-20 17:04:21 -07:00
builtin-trace.c perf callchain: Use pthread keys for tls callchain_cursor 2023-06-12 15:57:54 -03:00
builtin-version.c Revert "perf build: Make BUILD_BPF_SKEL default, rename to NO_BPF_SKEL" 2023-05-06 18:07:37 -03:00
builtin.h perf usage: Move usage strings 2023-04-10 19:20:53 -03:00
check-headers.sh tools headers: Make the difference output easier to read 2023-06-09 10:56:40 -03:00
command-list.txt perf help: Use HAVE_LIBTRACEEVENT to filter out unsupported commands 2023-01-02 11:51:53 -03:00
CREDITS
design.txt
Makefile perf tools: Use "grep -E" instead of "egrep" 2022-12-14 15:28:19 -03:00
Makefile.config perf test: Fix a compile error on pe-file-parsing.c 2023-06-27 12:14:38 -07:00
Makefile.perf perf: Replace deprecated -target with --target= for Clang 2023-06-27 12:13:22 -07:00
MANIFEST tools lib traceevent: Remove libtraceevent 2022-12-14 11:16:12 -03:00
perf-archive.sh
perf-completion.sh perf tools: Fix auto-complete on aarch64 2023-02-08 10:38:10 -03:00
perf-iostat.sh
perf-read-vdso.c
perf-sys.h
perf.c perf util: Move input_name to util 2023-04-10 19:21:31 -03:00
perf.h perf util: Move perf_guest/host declarations 2023-04-10 19:22:05 -03:00