Function arch/arc/kernel/perf_event.c, line 248 [usage...] arch/arm/kernel/perf_callchain.c, line 63 [usage...] arch/arm64/kernel/perf_callchain.c, line 102 [usage...] arch/csky/kernel/perf_callchain.c, line 86 [usage...] arch/nds32/kernel/perf_event_cpu.c, line 1363 [usage...] arch/powerpc/perf/callchain.c, line 103 [usage...] arch/riscv/kernel/perf_callchain.c, line 56 [usage...] arch/sparc/kernel/perf_event.c, line 1854 [usage...] arch/x86/events/core.c, line 2872 [usage...] arch/xtensa/kernel/perf_event.c, line 336 [usage...] kernel/events/callchain.c, line 43 [usage...] Function prototype or declaration include/linux/perf_event.h, line 1285 [usage...]