shadow_ctx_time 637 include/linux/perf_event.h u64 shadow_ctx_time; shadow_ctx_time 940 kernel/events/core.c event->shadow_ctx_time = now - t->timestamp; shadow_ctx_time 2327 kernel/events/core.c event->shadow_ctx_time = event->tstamp - ctx->timestamp; shadow_ctx_time 4076 kernel/events/core.c u64 now = event->shadow_ctx_time + perf_clock(); shadow_ctx_time 5344 kernel/events/core.c ctx_time = event->shadow_ctx_time + *now;