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- For a higher level overview, try: perf report --sort comm,dso
- Sample related events with: perf record -e '{cycles,instructions}:S'
- Compare performance results with: perf diff [<old file> <new file>]
- Boolean options have negative forms, e.g.: perf report --no-children
- Customize output of perf script with: perf script -F event,ip,sym
- Generate a script for your data: perf script -g <lang>
- Save output of perf stat using: perf stat record <target workload>
- Create an archive with symtabs to analyse on other machine: perf archive
- Search options using a keyword: perf report -h <keyword>
- Use parent filter to see specific call path: perf report -p <regex>
- List events using substring match: perf list <keyword>
- To see list of saved events and attributes: perf evlist -v
- Use --symfs <dir> if your symbol files are in non-standard locations
- To see callchains in a more compact form: perf report -g folded
- Show individual samples with: perf script
- Limit to show entries above 5% only: perf report --percent-limit 5
- Profiling branch (mis)predictions with: perf record -b / perf report
- Treat branches as callchains: perf report --branch-history
- To count events in every 1000 msec: perf stat -I 1000
- Print event counts in CSV format with: perf stat -x,
- If you have debuginfo enabled, try: perf report -s sym,srcline
- For memory address profiling, try: perf mem record / perf mem report
- For tracepoint events, try: perf report -s trace_fields
- To record callchains for each sample: perf record -g
- To record every process run by an user: perf record -u <user>
- Skip collecing build-id when recording: perf record -B
- To change sampling frequency to 100 Hz: perf record -F 100
- See assembly instructions with percentage: perf annotate <symbol>
- If you prefer Intel style assembly, try: perf annotate -M intel
- For hierarchical output, try: perf report --hierarchy
- Order by the overhead of source file name and line number: perf report -s srcline
- System-wide collection from all CPUs: perf record -a
- Show current config key-value pairs: perf config --list
- Show user configuration overrides: perf config --user --list
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