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Jiri Olsa 1c4924220c perf script: Pad DSO name for --call-trace 
Pad the DSO name in --call-trace so we don't have the indent screwed by
different DSO name lengths, as now for kernel there's also BPF code
displayed.

  # perf-with-kcore record pt -e intel_pt//ku -- sleep 1
  # perf-core/perf-with-kcore script pt --call-trace

Before:

   sleep 3660 [16] 57036.806464404: ([kernel.kallsyms])                      kretprobe_perf_func
   sleep 3660 [16] 57036.806464404: ([kernel.kallsyms])                          trace_call_bpf
   sleep 3660 [16] 57036.806464404: ([kernel.kallsyms])                              __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806464404: ([kernel.kallsyms])                                  __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806464725: (bpf_prog_da4fe6b3d2c29b25_trace_return)                                         bpf_get_current_pid_tgid
   sleep 3660 [16] 57036.806464725: (bpf_prog_da4fe6b3d2c29b25_trace_return)                                         bpf_ktime_get_ns
   sleep 3660 [16] 57036.806464725: ([kernel.kallsyms])                                          __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806464725: ([kernel.kallsyms])                                              __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806465045: (bpf_prog_da4fe6b3d2c29b25_trace_return)                                         __htab_map_lookup_elem
   sleep 3660 [16] 57036.806465366: ([kernel.kallsyms])                                          memcmp
   sleep 3660 [16] 57036.806465687: (bpf_prog_da4fe6b3d2c29b25_trace_return)                                         bpf_probe_read
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms])                                          probe_kernel_read
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms])                                              __check_object_size
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms])                                                  check_stack_object
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms])                                              copy_user_enhanced_fast_string
   sleep 3660 [16] 57036.806465687: (bpf_prog_da4fe6b3d2c29b25_trace_return)                                         bpf_probe_read
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms])                                          probe_kernel_read
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms])                                              __check_object_size
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms])                                                  check_stack_object
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms])                                              copy_user_enhanced_fast_string
   sleep 3660 [16] 57036.806466008: (bpf_prog_da4fe6b3d2c29b25_trace_return)                                         bpf_get_current_uid_gid
   sleep 3660 [16] 57036.806466008: ([kernel.kallsyms])                                          from_kgid
   sleep 3660 [16] 57036.806466008: ([kernel.kallsyms])                                          from_kuid
   sleep 3660 [16] 57036.806466008: (bpf_prog_da4fe6b3d2c29b25_trace_return)                                         bpf_perf_event_output
   sleep 3660 [16] 57036.806466328: ([kernel.kallsyms])                                          perf_event_output
   sleep 3660 [16] 57036.806466328: ([kernel.kallsyms])                                              perf_prepare_sample
   sleep 3660 [16] 57036.806466328: ([kernel.kallsyms])                                                  perf_misc_flags
   sleep 3660 [16] 57036.806466328: ([kernel.kallsyms])                                                      __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806466328: ([kernel.kallsyms])                                                          __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806466328: ([kvm])                                                      kvm_is_in_guest
   sleep 3660 [16] 57036.806466649: ([kernel.kallsyms])                                                  __perf_event_header__init_id.isra.0
   sleep 3660 [16] 57036.806466649: ([kernel.kallsyms])                                              perf_output_begin

After:

   sleep 3660 [16] 57036.806464404: ([kernel.kallsyms]                      )     kretprobe_perf_func
   sleep 3660 [16] 57036.806464404: ([kernel.kallsyms]                      )         trace_call_bpf
   sleep 3660 [16] 57036.806464404: ([kernel.kallsyms]                      )             __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806464404: ([kernel.kallsyms]                      )                 __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806464725: (bpf_prog_da4fe6b3d2c29b25_trace_return )                     bpf_get_current_pid_tgid
   sleep 3660 [16] 57036.806464725: (bpf_prog_da4fe6b3d2c29b25_trace_return )                     bpf_ktime_get_ns
   sleep 3660 [16] 57036.806464725: ([kernel.kallsyms]                      )                         __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806464725: ([kernel.kallsyms]                      )                             __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806465045: (bpf_prog_da4fe6b3d2c29b25_trace_return )                     __htab_map_lookup_elem
   sleep 3660 [16] 57036.806465366: ([kernel.kallsyms]                      )                         memcmp
   sleep 3660 [16] 57036.806465687: (bpf_prog_da4fe6b3d2c29b25_trace_return )                     bpf_probe_read
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms]                      )                         probe_kernel_read
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms]                      )                             __check_object_size
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms]                      )                                 check_stack_object
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms]                      )                             copy_user_enhanced_fast_string
   sleep 3660 [16] 57036.806465687: (bpf_prog_da4fe6b3d2c29b25_trace_return )                     bpf_probe_read
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms]                      )                         probe_kernel_read
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms]                      )                             __check_object_size
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms]                      )                                 check_stack_object
   sleep 3660 [16] 57036.806465687: ([kernel.kallsyms]                      )                             copy_user_enhanced_fast_string
   sleep 3660 [16] 57036.806466008: (bpf_prog_da4fe6b3d2c29b25_trace_return )                     bpf_get_current_uid_gid
   sleep 3660 [16] 57036.806466008: ([kernel.kallsyms]                      )                         from_kgid
   sleep 3660 [16] 57036.806466008: ([kernel.kallsyms]                      )                         from_kuid
   sleep 3660 [16] 57036.806466008: (bpf_prog_da4fe6b3d2c29b25_trace_return )                     bpf_perf_event_output
   sleep 3660 [16] 57036.806466328: ([kernel.kallsyms]                      )                         perf_event_output
   sleep 3660 [16] 57036.806466328: ([kernel.kallsyms]                      )                             perf_prepare_sample
   sleep 3660 [16] 57036.806466328: ([kernel.kallsyms]                      )                                 perf_misc_flags
   sleep 3660 [16] 57036.806466328: ([kernel.kallsyms]                      )                                     __x86_indirect_thunk_rax
   sleep 3660 [16] 57036.806466328: ([kernel.kallsyms]                      )                                         __x86_indirect_thunk_rax

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stanislav Fomichev <sdf@google.com>
Link: http://lkml.kernel.org/r/20190508132010.14512-8-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-05-28 18:37:44 -03:00
..
sched tools/lib/lockdep: Remove private kernel headers 2017-06-05 09:28:14 +02:00
unaligned License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
atomic.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bitmap.h xarray: Add XArray unconditional store operations 2018-10-21 10:45:57 -04:00
bitops.h tools include: Adopt linux/bits.h 2018-10-08 14:23:43 -03:00
bits.h tools include: Adopt linux/bits.h 2018-10-08 14:23:43 -03:00
bug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compiler-gcc.h tools: bpf: make use of reallocarray 2018-07-11 22:13:34 +02:00
compiler.h tools headers: Restore READ_ONCE() C++ compatibility 2018-04-12 09:30:09 -03:00
coresight-pmu.h coresight: etm4x: Add kernel configuration for CONTEXTID 2019-04-25 22:00:16 +02:00
debug_locks.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
delay.h tools/lib/lockdep: Remove private kernel headers 2017-06-05 09:28:14 +02:00
err.h tools include: Adopt ERR_CAST() from the kernel err.h header 2018-12-17 14:54:34 -03:00
export.h tools: Restore export.h 2015-08-25 09:44:22 +02:00
filter.h bpf, selftest: test {rd, wr}only flags and direct value access 2019-04-09 17:05:47 -07:00
ftrace.h tools/lib/lockdep: Remove private kernel headers 2017-06-05 09:28:14 +02:00
gfp.h tools/lib/lockdep: Remove private kernel headers 2017-06-05 09:28:14 +02:00
hardirq.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hash.h tools/headers: Synchronize kernel ABI headers 2017-11-04 09:27:46 +01:00
hashtable.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
interrupt.h tools/lib/lockdep: Remove private kernel headers 2017-06-05 09:28:14 +02:00
irqflags.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
jhash.h tools/lib/lockdep: Fix compilation for 4.11 2017-06-05 09:28:09 +02:00
kallsyms.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
kern_levels.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
kernel.h perf script: Pad DSO name for --call-trace 2019-05-28 18:37:44 -03:00
linkage.h tools/lib/lockdep: Remove private kernel headers 2017-06-05 09:28:14 +02:00
list.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lockdep.h tools/lib/lockdep: Add dummy task_struct state member 2018-09-10 13:48:24 +02:00
log2.h tools include: Include missing headers for fls() and types in linux/log2.h 2017-04-19 13:01:49 -03:00
module.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mutex.h tools/lib/lockdep: Remove private kernel headers 2017-06-05 09:28:14 +02:00
nmi.h tools/lib/lockdep: Add empty nmi.h 2018-09-10 13:48:23 +02:00
numa.h tools/: replace open encodings for NUMA_NO_NODE 2019-03-05 21:07:14 -08:00
overflow.h tools: bpf: make use of reallocarray 2018-07-11 22:13:34 +02:00
poison.h Drop flex_arrays 2019-03-12 10:04:03 -07:00
proc_fs.h tools/lib/lockdep: Remove private kernel headers 2017-06-05 09:28:14 +02:00
rbtree_augmented.h tools: Update rbtree implementation 2019-01-25 15:12:09 +01:00
rbtree.h tools: Update rbtree implementation 2019-01-25 15:12:09 +01:00
rcu.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
refcount.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ring_buffer.h tools, perf: add and use optimized ring_buffer_{read_head, write_tail} helpers 2018-10-19 13:43:08 -07:00
seq_file.h tools/lib/lockdep: Remove private kernel headers 2017-06-05 09:28:14 +02:00
spinlock.h xarray: Add XArray unconditional store operations 2018-10-21 10:45:57 -04:00
stacktrace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
string.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stringify.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
time64.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
types.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00