Closed ekyooo closed 1 month ago
Include symbol base offset in the kernel stack trace to accurately pinpoint the location of function calls. The offset is commonly used in various debugging tools, including those for the Linux kernel.
Before:
# ./wakeuptime.py target: kworker/u8:3 ffffffffc0215f96 bpf_prog_6deef7357e7b4530_sd_fw_ingress ffffffff928e925d bpf_trace_run1 ffffffff9274d7d9 __bpf_trace_sched_wakeup_template ffffffff9274611b __traceiter_sched_wakeup ffffffff9275e2c1 ttwu_do_activate ffffffff9275e4f1 sched_ttwu_pending ffffffff92827fb3 __flush_smp_call_function_queue ffffffff92828b3a flush_smp_call_function_queue ffffffff9277d5a7 do_idle ffffffff9277d80a cpu_startup_entry ffffffff926a7349 start_secondary ffffffff92600279 secondary_startup_64_no_verify waker: swapper/3 1508198
After:
# ./wakeuptime.py target: kworker/u8:0 ffffffffc0215f9a bpf_prog_6deef7357e7b4530_sd_fw_ingress+0xfaf6 ffffffff928e925d bpf_trace_run1+0x4d ffffffff9274d7d9 __bpf_trace_sched_wakeup_template+0x9 ffffffff9274611b __traceiter_sched_wakeup+0x2b ffffffff9275e2c1 ttwu_do_activate+0x131 ffffffff9275e4f1 sched_ttwu_pending+0xf1 ffffffff92827fb3 __flush_smp_call_function_queue+0x143 ffffffff92828b3a flush_smp_call_function_queue+0x3a ffffffff9277d5a7 do_idle+0xb7 ffffffff9277d80a cpu_startup_entry+0x2a ffffffff926a7349 start_secondary+0x129 ffffffff92600279 secondary_startup_64_no_verify+0x184 waker: swapper/2 247368
Include symbol base offset in the kernel stack trace to accurately pinpoint the location of function calls. The offset is commonly used in various debugging tools, including those for the Linux kernel.
Before:
After: