Function arch/arc/kernel/perf_event.c, line 75 [usage...] arch/arm/kernel/perf_callchain.c, line 99 [usage...] arch/arm64/kernel/perf_callchain.c, line 147 [usage...] arch/csky/kernel/perf_callchain.c, line 105 [usage...] arch/mips/kernel/perf_event.c, line 42 [usage...] arch/nds32/kernel/perf_event_cpu.c, line 1479 [usage...] arch/powerpc/perf/callchain.c, line 47 [usage...] arch/riscv/kernel/perf_callchain.c, line 84 [usage...] arch/s390/kernel/perf_event.c, line 223 [usage...] arch/sh/kernel/perf_callchain.c, line 33 [usage...] arch/sparc/kernel/perf_event.c, line 1737 [usage...] arch/x86/events/core.c, line 2424 [usage...] arch/xtensa/kernel/perf_event.c, line 329 [usage...] kernel/events/callchain.c, line 38 [usage...] Function prototype or declaration include/linux/perf_event.h, line 1220 [usage...]