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Add drop count to 'perf top' headers: # perf top --stdio PerfTop: 3549 irqs/sec kernel:51.8% exact: 100.0% lost: 0/0 drop: 0/0 [4000Hz cycles:ppp], (all, 8 CPUs) # perf top Samples: 0 of event 'cycles:ppp', 4000 Hz, Event count (approx.): 0 lost: 0/0 drop: 0/0 The format is: <current period drop>/<total drop> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-2lj87zz8tq9ye1ntax3ulw0n@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_TOP_H
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#define __PERF_TOP_H 1
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#include "tool.h"
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#include "annotate.h"
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#include <linux/types.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <sys/ioctl.h>
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struct perf_evlist;
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struct perf_evsel;
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struct perf_session;
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struct perf_top {
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struct perf_tool tool;
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struct perf_evlist *evlist;
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struct record_opts record_opts;
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struct annotation_options annotation_opts;
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/*
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* Symbols will be added here in perf_event__process_sample and will
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* get out after decayed.
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*/
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u64 samples, lost, lost_total, drop, drop_total;
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u64 kernel_samples, us_samples;
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u64 exact_samples;
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u64 guest_us_samples, guest_kernel_samples;
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int print_entries, count_filter, delay_secs;
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int max_stack;
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bool hide_kernel_symbols, hide_user_symbols, zero;
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bool use_tui, use_stdio;
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bool vmlinux_warned;
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bool dump_symtab;
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struct hist_entry *sym_filter_entry;
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struct perf_evsel *sym_evsel;
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struct perf_session *session;
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struct winsize winsize;
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int realtime_prio;
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const char *sym_filter;
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float min_percent;
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unsigned int nr_threads_synthesize;
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struct {
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struct ordered_events *in;
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struct ordered_events data[2];
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bool rotate;
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pthread_mutex_t mutex;
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pthread_cond_t cond;
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} qe;
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};
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#define CONSOLE_CLEAR "[H[2J"
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size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size);
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void perf_top__reset_sample_counters(struct perf_top *top);
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#endif /* __PERF_TOP_H */
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