c7929e4727
Bypasses the build_id perf header code and replaces it with a synthesized event and processing function that accomplishes the same thing, used when reading/writing perf data to/from a pipe. Signed-off-by: Tom Zanussi <tzanussi@gmail.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: fweisbec@gmail.com Cc: rostedt@goodmis.org Cc: k-keiichi@bx.jp.nec.com Cc: acme@ghostprotocols.net LKML-Reference: <1270184365-8281-9-git-send-email-tzanussi@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
#ifndef __PERF_SESSION_H
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#define __PERF_SESSION_H
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#include "event.h"
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#include "header.h"
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#include "symbol.h"
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#include "thread.h"
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#include <linux/rbtree.h>
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#include "../../../include/linux/perf_event.h"
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struct ip_callchain;
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struct thread;
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struct perf_session {
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struct perf_header header;
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unsigned long size;
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unsigned long mmap_window;
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struct map_groups kmaps;
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struct rb_root threads;
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struct thread *last_match;
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struct map *vmlinux_maps[MAP__NR_TYPES];
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struct events_stats events_stats;
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struct rb_root stats_by_id;
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unsigned long event_total[PERF_RECORD_MAX];
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unsigned long unknown_events;
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struct rb_root hists;
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u64 sample_type;
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struct ref_reloc_sym ref_reloc_sym;
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int fd;
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bool fd_pipe;
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int cwdlen;
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char *cwd;
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char filename[0];
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};
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typedef int (*event_op)(event_t *self, struct perf_session *session);
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struct perf_event_ops {
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event_op sample,
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mmap,
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comm,
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fork,
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exit,
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lost,
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read,
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throttle,
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unthrottle,
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attr,
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event_type,
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tracing_data,
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build_id;
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};
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struct perf_session *perf_session__new(const char *filename, int mode, bool force);
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void perf_session__delete(struct perf_session *self);
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void perf_event_header__bswap(struct perf_event_header *self);
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int __perf_session__process_events(struct perf_session *self,
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u64 data_offset, u64 data_size, u64 size,
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struct perf_event_ops *ops);
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int perf_session__process_events(struct perf_session *self,
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struct perf_event_ops *event_ops);
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struct map_symbol *perf_session__resolve_callchain(struct perf_session *self,
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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 *self, const char *msg);
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int perf_header__read_build_ids(struct perf_header *self, int input,
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u64 offset, u64 file_size);
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int perf_session__set_kallsyms_ref_reloc_sym(struct perf_session *self,
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const char *symbol_name,
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u64 addr);
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void mem_bswap_64(void *src, int byte_size);
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static inline int __perf_session__create_kernel_maps(struct perf_session *self,
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struct dso *kernel)
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{
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return __map_groups__create_kernel_maps(&self->kmaps,
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self->vmlinux_maps, kernel);
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}
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static inline int perf_session__create_kernel_maps(struct perf_session *self)
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{
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return map_groups__create_kernel_maps(&self->kmaps, self->vmlinux_maps);
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}
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static inline struct map *
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perf_session__new_module_map(struct perf_session *self,
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u64 start, const char *filename)
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{
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return map_groups__new_module(&self->kmaps, start, filename);
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}
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int do_read(int fd, void *buf, size_t size);
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void perf_session__update_sample_type(struct perf_session *self);
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#ifdef NO_NEWT_SUPPORT
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static inline int perf_session__browse_hists(struct rb_root *hists __used,
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u64 nr_hists __used,
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u64 session_total __used,
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const char *helpline __used,
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const char *input_name __used)
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{
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return 0;
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}
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#else
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int perf_session__browse_hists(struct rb_root *hists, u64 nr_hists,
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u64 session_total, const char *helpline,
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const char *input_name);
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#endif
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#endif /* __PERF_SESSION_H */
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