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Flag if the event stream is a file that has been mmapped in one go. This is useful, for example, if a tool needs to keep an event for later reference. If the new flag is set, a pointer to the event can be retained, otherwise the event must be copied. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1405332185-4050-28-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
#ifndef __PERF_SESSION_H
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#define __PERF_SESSION_H
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#include "trace-event.h"
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#include "hist.h"
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#include "event.h"
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#include "header.h"
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#include "machine.h"
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#include "symbol.h"
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#include "thread.h"
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#include "data.h"
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#include <linux/rbtree.h>
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#include <linux/perf_event.h>
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struct sample_queue;
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struct ip_callchain;
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struct thread;
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struct ordered_samples {
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u64 last_flush;
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u64 next_flush;
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u64 max_timestamp;
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struct list_head samples;
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struct list_head sample_cache;
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struct list_head to_free;
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struct sample_queue *sample_buffer;
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struct sample_queue *last_sample;
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int sample_buffer_idx;
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unsigned int nr_samples;
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};
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struct perf_session {
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struct perf_header header;
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struct machines machines;
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struct perf_evlist *evlist;
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struct trace_event tevent;
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struct events_stats stats;
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bool repipe;
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bool one_mmap;
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void *one_mmap_addr;
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u64 one_mmap_offset;
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struct ordered_samples ordered_samples;
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struct perf_data_file *file;
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};
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#define PRINT_IP_OPT_IP (1<<0)
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#define PRINT_IP_OPT_SYM (1<<1)
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#define PRINT_IP_OPT_DSO (1<<2)
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#define PRINT_IP_OPT_SYMOFFSET (1<<3)
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#define PRINT_IP_OPT_ONELINE (1<<4)
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#define PRINT_IP_OPT_SRCLINE (1<<5)
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struct perf_tool;
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struct perf_session *perf_session__new(struct perf_data_file *file,
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bool repipe, struct perf_tool *tool);
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void perf_session__delete(struct perf_session *session);
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void perf_event_header__bswap(struct perf_event_header *hdr);
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int __perf_session__process_events(struct perf_session *session,
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u64 data_offset, u64 data_size, u64 size,
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struct perf_tool *tool);
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int perf_session__process_events(struct perf_session *session,
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struct perf_tool *tool);
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int perf_session_queue_event(struct perf_session *s, union perf_event *event,
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struct perf_sample *sample, u64 file_offset);
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void perf_tool__fill_defaults(struct perf_tool *tool);
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int perf_session__resolve_callchain(struct perf_session *session,
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struct perf_evsel *evsel,
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struct thread *thread,
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struct ip_callchain *chain,
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struct symbol **parent);
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bool perf_session__has_traces(struct perf_session *session, const char *msg);
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void perf_event__attr_swap(struct perf_event_attr *attr);
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int perf_session__create_kernel_maps(struct perf_session *session);
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void perf_session__set_id_hdr_size(struct perf_session *session);
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static inline
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struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
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{
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return machines__find(&session->machines, pid);
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}
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static inline
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struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
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{
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return machines__findnew(&session->machines, pid);
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}
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struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
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size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
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size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
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size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
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bool (fn)(struct dso *dso, int parm), int parm);
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size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
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struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
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unsigned int type);
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void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
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struct addr_location *al,
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unsigned int print_opts, unsigned int stack_depth);
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int perf_session__cpu_bitmap(struct perf_session *session,
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const char *cpu_list, unsigned long *cpu_bitmap);
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void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
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struct perf_evsel_str_handler;
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int __perf_session__set_tracepoints_handlers(struct perf_session *session,
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const struct perf_evsel_str_handler *assocs,
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size_t nr_assocs);
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#define perf_session__set_tracepoints_handlers(session, array) \
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__perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
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extern volatile int session_done;
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#define session_done() (*(volatile int *)(&session_done))
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#endif /* __PERF_SESSION_H */
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