Lines Matching refs:perf
13 #include <perf/bpf_perf.h>
368 pr_err("bpf managed perf events do not yet support groups.\n");
386 pr_err("bpf managed perf events do not yet support these targets.\n");
681 * perf uses performance monitoring counters (PMC) to monitor system
698 * of having each perf-stat session to read its own perf_events, bperf uses
700 * Then, the perf-stat session(s) reads the values from these BPF maps.
724 * \------ perf-stat ----------------------/
733 * multiple perf-stat sessions share the same leader prog.
735 * Each perf-stat session creates a follower prog as fexit program to the
741 * Finally, perf-stat user space reads the value from accum_reading map.
744 * before perf-stat reads the value. Otherwise, the accum_reading map may
749 * describes how different sessions of perf-stat share information about