add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/tools/perf/builtin-mem.c
..
..
@@ -11,9 +11,13 @@
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 #include "util/tool.h"
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 #include "util/session.h"
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 #include "util/data.h"
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+#include "util/map_symbol.h"
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 #include "util/mem-events.h"
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 #include "util/debug.h"
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+#include "util/dso.h"
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+#include "util/map.h"
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 #include "util/symbol.h"
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+#include <linux/err.h>
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 #define MEM_OPERATION_LOAD	0x1
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 #define MEM_OPERATION_STORE	0x2
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@@ -34,26 +38,16 @@
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 			       const char *str, int unset __maybe_unused)
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 {
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 	struct perf_mem *mem = *(struct perf_mem **)opt->value;
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-	int j;
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-	if (strcmp(str, "list")) {
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-		if (!perf_mem_events__parse(str)) {
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-			mem->operation = 0;
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-			return 0;
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-		}
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+	if (!strcmp(str, "list")) {
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+		perf_mem_events__list();
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+		exit(0);
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+	}
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+	if (perf_mem_events__parse(str))
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 		exit(-1);
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-	}
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-	for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
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-		struct perf_mem_event *e = &perf_mem_events[j];
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-
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-		fprintf(stderr, "%-13s%-*s%s\n",
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-			e->tag,
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-			verbose > 0 ? 25 : 0,
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-			verbose > 0 ? perf_mem_events__name(j) : "",
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-			e->supported ? ": available" : "");
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-	}
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-	exit(0);
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+	mem->operation = 0;
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+	return 0;
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 }
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 static const char * const __usage[] = {
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@@ -119,7 +113,7 @@
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 		rec_argv[i++] = "-e";
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 		rec_argv[i++] = perf_mem_events__name(j);
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-	};
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+	}
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 	if (all_user)
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 		rec_argv[i++] = "--all-user";
..
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@@ -229,7 +223,7 @@
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 static int process_sample_event(struct perf_tool *tool,
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 				union perf_event *event,
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 				struct perf_sample *sample,
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-				struct perf_evsel *evsel __maybe_unused,
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+				struct evsel *evsel __maybe_unused,
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 				struct machine *machine)
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 {
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 	return dump_raw_samples(tool, event, sample, machine);
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@@ -238,18 +232,16 @@
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 static int report_raw_events(struct perf_mem *mem)
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 {
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 	struct perf_data data = {
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-		.file      = {
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-			.path = input_name,
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-		},
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-		.mode      = PERF_DATA_MODE_READ,
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-		.force     = mem->force,
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+		.path  = input_name,
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+		.mode  = PERF_DATA_MODE_READ,
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+		.force = mem->force,
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 	};
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 	int ret;
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 	struct perf_session *session = perf_session__new(&data, false,
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 							 &mem->tool);
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-	if (session == NULL)
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-		return -1;
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+	if (IS_ERR(session))
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+		return PTR_ERR(session);
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 	if (mem->cpu_list) {
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 		ret = perf_session__cpu_bitmap(session, mem->cpu_list,