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f9f60efbfc
Replace perf_ftrace::initial_delay with target::initial_delay. Specifying a negative initial_delay is meaningless for ftrace in practice but allowed here. Signed-off-by: Changbin Du <changbin.du@huawei.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Hui Wang <hw.huiwang@huawei.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20230302031146.2801588-4-changbin.du@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
#ifndef __PERF_FTRACE_H__
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#define __PERF_FTRACE_H__
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#include <linux/list.h>
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#include "target.h"
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struct evlist;
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struct perf_ftrace {
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struct evlist *evlist;
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struct target target;
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const char *tracer;
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struct list_head filters;
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struct list_head notrace;
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struct list_head graph_funcs;
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struct list_head nograph_funcs;
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unsigned long percpu_buffer_size;
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bool inherit;
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bool use_nsec;
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int graph_depth;
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int func_stack_trace;
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int func_irq_info;
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int graph_nosleep_time;
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int graph_noirqs;
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int graph_verbose;
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int graph_thresh;
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};
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struct filter_entry {
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struct list_head list;
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char name[];
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};
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#define NUM_BUCKET 22 /* 20 + 2 (for outliers in both direction) */
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#ifdef HAVE_BPF_SKEL
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int perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace);
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int perf_ftrace__latency_start_bpf(struct perf_ftrace *ftrace);
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int perf_ftrace__latency_stop_bpf(struct perf_ftrace *ftrace);
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int perf_ftrace__latency_read_bpf(struct perf_ftrace *ftrace,
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int buckets[]);
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int perf_ftrace__latency_cleanup_bpf(struct perf_ftrace *ftrace);
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#else /* !HAVE_BPF_SKEL */
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static inline int
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perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace __maybe_unused)
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{
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return -1;
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}
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static inline int
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perf_ftrace__latency_start_bpf(struct perf_ftrace *ftrace __maybe_unused)
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{
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return -1;
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}
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static inline int
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perf_ftrace__latency_stop_bpf(struct perf_ftrace *ftrace __maybe_unused)
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{
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return -1;
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}
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static inline int
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perf_ftrace__latency_read_bpf(struct perf_ftrace *ftrace __maybe_unused,
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int buckets[] __maybe_unused)
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{
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return -1;
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}
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static inline int
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perf_ftrace__latency_cleanup_bpf(struct perf_ftrace *ftrace __maybe_unused)
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{
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return -1;
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}
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#endif /* HAVE_BPF_SKEL */
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#endif /* __PERF_FTRACE_H__ */
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