profile: exclude CPU idle stacks by default #2166
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navytux
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* master: (609 commits) docs: references_guide.md: add/fix search examples/tools links (iovisor#2186) Fix misc file permissions (iovisor#2185) sync with latest bpf (iovisor#2184) sync with latest libbpf repo (iovisor#2183) docs: fix broken link of bpf_log2l(iovisor#2176) examples/tracing: some minor fixes Fix tools/syscount -l (iovisor#2180) examples/tracing/bitehist.py: add example of linear histogram (iovisor#2177) cachestat: bring back HITRATIO column Fix debuginfo search on Ubuntu Add installation instructions for Amazon Linux 1 AMI Sign-Off-By Travis Davies <[email protected]> [iovisor/bcc] trace: Incorrect symbol offsets when using build_id (iovisor#2161) (iovisor#2162) profile: exclude CPU idle stacks by default (iovisor#2166) fix cpuunclaimed.py with cfs_rq structure change (iovisor#2164) tools: rename "deadlock_detector" to "deadlock" (iovisor#2152) (iovisor#2160) use libbpf api in bpf_attach_xdp (iovisor#2158) support symbol resolution of short-lived process. (iovisor#2144) profile.py: return kernel annotations for folded stacks use libbpf APIs from libbpf.c (iovisor#2156) ddos_detector.py to monitor DDOS attacks (iovisor#2140) ...
palexster
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profile: exclude CPU idle stacks by default
CrackerCat
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profile: exclude CPU idle stacks by default
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I should have excluded these a long time ago. -I exists if people want them back. They are excluded by simply checking PID == 0. I can also excluding them by digging idle status from the task_struct, but that involves adding a bpf_get_current_task(), and we already have the pid there, so just use the pid.