add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/tools/perf/pmu-events/pmu-events.h
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@@ -2,6 +2,11 @@
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 #ifndef PMU_EVENTS_H
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 #define PMU_EVENTS_H
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+enum aggr_mode_class {
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+	PerChip = 1,
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+	PerCore
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+};
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+
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 /*
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  * Describe each PMU event. Each CPU has a table of PMU events.
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  */
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@@ -14,9 +19,12 @@
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 	const char *pmu;
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 	const char *unit;
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 	const char *perpkg;
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+	const char *aggr_mode;
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 	const char *metric_expr;
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 	const char *metric_name;
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 	const char *metric_group;
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+	const char *deprecated;
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+	const char *metric_constraint;
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 };
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 /*
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@@ -24,7 +32,7 @@
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  * Map a CPU to its table of PMU events. The CPU is identified by the
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  * cpuid field, which is an arch-specific identifier for the CPU.
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  * The identifier specified in tools/perf/pmu-events/arch/xxx/mapfile
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- * must match the get_cpustr() in tools/perf/arch/xxx/util/header.c)
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+ * must match the get_cpuid_str() in tools/perf/arch/xxx/util/header.c)
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  *
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  * The  cpuid can contain any character other than the comma.
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  */