P4_ESCR_EVENT_SHIFT   40 arch/x86/include/asm/perf_event_p4.h #define P4_ESCR_EVENT(v)	((v) << P4_ESCR_EVENT_SHIFT)
P4_ESCR_EVENT_SHIFT   98 arch/x86/include/asm/perf_event_p4.h 		t = t >> P4_ESCR_EVENT_SHIFT;		\