2d98dbb4c9
arm-cs-trace-disasm ignore disam the first branch sample, For example as follow, the instructions beteween 0x0000ffffae878750 and 0x0000ffffae878754 is lose: ARM CoreSight Trace Data Assembler Dump Event type: branches:uH Sample = { cpu: 0000 addr: 0x0000ffffae878750 phys_addr: 0x0000000000000000 ip: 0x0000000000000000 pid: 4003489 tid: 4003489 period: 1 time: 26765151766034 } Event type: branches:uH Sample = { cpu: 0000 addr: 0x0000000000000000 phys_addr: 0x0000000000000000 ip: 0x0000ffffae878754 pid: 4003489 tid: 4003489 period: 1 time: 26765151766034 } Initialize cpu_data earlier to fix it: ARM CoreSight Trace Data Assembler Dump Event type: branches:uH Sample = { cpu: 0000 addr: 0x0000000000000000 phys_addr: 0x0000000000000000 ip: 0x0000ffffae878754 pid: 4003489 tid: 4003489 period: 1 time: 26765151766034 } 0000000000028740 <ioctl>: (base address is 0x0000ffffae850000) 28750: b13ffc1f cmn x0, #4095 28754: 54000042 b.hs 0x2875c <ioctl+0x1c> test 4003489/4003489 [0000] 26765.151766034 __GI___ioctl+0x14 /usr/lib64/libc-2.32.so Event type: branches:uH Sample = { cpu: 0000 addr: 0x0000ffffa67535ac phys_addr: 0x0000000000000000 ip: 0x0000000000000000 pid: 4003489 tid: 4003489 period: 1 time: 26765151766034 } Reviewed-by: James Clark <james.clark@arm.com> Signed-off-by: Ruidong Tian <tianruidong@linux.alibaba.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Al Grant <al.grant@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Tor Jeremiassen <tor@ti.com> Link: https://lore.kernel.org/r/20231214123304.34087-4-tianruidong@linux.alibaba.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
---|---|---|
.. | ||
bin | ||
Perf-Trace-Util | ||
arm-cs-trace-disasm.py | ||
check-perf-trace.py | ||
compaction-times.py | ||
event_analyzing_sample.py | ||
export-to-postgresql.py | ||
export-to-sqlite.py | ||
exported-sql-viewer.py | ||
failed-syscalls-by-pid.py | ||
flamegraph.py | ||
futex-contention.py | ||
gecko.py | ||
intel-pt-events.py | ||
libxed.py | ||
mem-phys-addr.py | ||
net_dropmonitor.py | ||
netdev-times.py | ||
powerpc-hcalls.py | ||
sched-migration.py | ||
sctop.py | ||
stackcollapse.py | ||
stat-cpi.py | ||
syscall-counts-by-pid.py | ||
syscall-counts.py | ||
task-analyzer.py |