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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/tools/perf/util/top.c
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@@ -1,18 +1,17 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
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  *
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  * Refactored from builtin-top.c, see that files for further copyright notes.
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- *
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- * Released under the GPL v2. (and only v2, not any later version)
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  */
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-#include "cpumap.h"
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 #include "event.h"
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 #include "evlist.h"
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 #include "evsel.h"
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 #include "parse-events.h"
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 #include "symbol.h"
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 #include "top.h"
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+#include "../perf.h"
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 #include <inttypes.h>
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 #define SNPRINTF(buf, size, fmt, args...) \
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@@ -46,8 +45,9 @@
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 							samples_per_sec;
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 		ret = SNPRINTF(bf, size,
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 			       "   PerfTop:%8.0f irqs/sec  kernel:%4.1f%%"
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-			       "  exact: %4.1f%% [", samples_per_sec,
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-			       ksamples_percent, esamples_percent);
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+			       "  exact: %4.1f%% lost: %" PRIu64 "/%" PRIu64 " drop: %" PRIu64 "/%" PRIu64 " [",
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+			       samples_per_sec, ksamples_percent, esamples_percent,
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+			       top->lost, top->lost_total, top->drop, top->drop_total);
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 	} else {
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 		float us_samples_per_sec = top->us_samples / top->delay_secs;
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 		float guest_kernel_samples_per_sec = top->guest_kernel_samples / top->delay_secs;
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@@ -70,14 +70,14 @@
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 			       esamples_percent);
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 	}
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-	if (top->evlist->nr_entries == 1) {
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-		struct perf_evsel *first = perf_evlist__first(top->evlist);
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+	if (top->evlist->core.nr_entries == 1) {
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+		struct evsel *first = evlist__first(top->evlist);
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 		ret += SNPRINTF(bf + ret, size - ret, "%" PRIu64 "%s ",
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-				(uint64_t)first->attr.sample_period,
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+				(uint64_t)first->core.attr.sample_period,
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 				opts->freq ? "Hz" : "");
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 	}
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-	ret += SNPRINTF(bf + ret, size - ret, "%s", perf_evsel__name(top->sym_evsel));
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+	ret += SNPRINTF(bf + ret, size - ret, "%s", evsel__name(top->sym_evsel));
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 	ret += SNPRINTF(bf + ret, size - ret, "], ");
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@@ -95,17 +95,18 @@
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 	if (target->cpu_list)
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 		ret += SNPRINTF(bf + ret, size - ret, ", CPU%s: %s)",
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-				top->evlist->cpus->nr > 1 ? "s" : "",
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+				top->evlist->core.cpus->nr > 1 ? "s" : "",
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 				target->cpu_list);
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 	else {
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 		if (target->tid)
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 			ret += SNPRINTF(bf + ret, size - ret, ")");
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 		else
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 			ret += SNPRINTF(bf + ret, size - ret, ", %d CPU%s)",
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-					top->evlist->cpus->nr,
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-					top->evlist->cpus->nr > 1 ? "s" : "");
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+					top->evlist->core.cpus->nr,
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+					top->evlist->core.cpus->nr > 1 ? "s" : "");
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 	}
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+	perf_top__reset_sample_counters(top);
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 	return ret;
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 }
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@@ -113,5 +114,5 @@
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 {
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 	top->samples = top->us_samples = top->kernel_samples =
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 	top->exact_samples = top->guest_kernel_samples =
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-	top->guest_us_samples = 0;
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+	top->guest_us_samples = top->lost = top->drop = 0;
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 }