Messages in this thread | | | Date | Wed, 12 Jun 2013 12:13:14 +0200 | From | "Arend van Spriel" <> | Subject | event filtering with trace-cmd |
| |
Hi Steven
I wanted to filter my debug events getting only one specific level. So I followed the instruction found online, but I get a parse error.
Running on 3.10-rc1 using trace-cmd 1.0.3. Should I upgrade?
Regards, Arend ----8<----------------------------------------------------------------- events/brcmfmac/brcmf_dbg# cat format name: brcmf_dbg ID: 1133 format:
field:unsigned short common_type; offset:0; size:2; signed:0; field:unsigned char common_flags; offset:2; size:1; signed:0; field:unsigned char common_preempt_count; offset:3; size:1; signed:0; field:int common_pid; offset:4; size:4; signed:1;
field:u32 level; offset:8; size:4; signed:0; field:__data_loc char[] func; offset:12; size:4; signed:1; field:__data_loc char[] msg; offset:16; size:4; signed:1;
print fmt: "%s: %s", __get_str(func), __get_str(msg)
# sudo trace-cmd record -e brcmfmac:brcmf_dbg -f 'level & 0x40000' disable all enable brcmfmac:brcmf_dbg path = /sys/kernel/debug/tracing/events/brcmfmac/brcmf_dbg/enable (level & 0x40000) ^ parse_error: Invalid operator
trace-cmd: Invalid argument Failed filter of /sys/kernel/debug/tracing/events/brcmfmac/brcmf_dbg/filter
| |