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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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23346f21b2
struct kernel_info and kerninfo__ are too vague, what they really describe are machines, virtual ones or hosts. There are more changes to introduce helpers to shorten function calls and to make more clear what is really being done, but I left that for subsequent patches. Cc: Avi Kivity <avi@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Zhang, Yanmin <yanmin_zhang@linux.intel.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
131 lines
3.2 KiB
C
131 lines
3.2 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 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 flush_limit;
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struct list_head samples_head;
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struct sample_queue *last_inserted;
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};
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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 rb_root threads;
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struct thread *last_match;
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struct rb_root machines;
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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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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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struct ordered_samples ordered_samples;
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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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bool ordered_samples;
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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_session__set_kallsyms_ref_reloc_sym(struct map **maps,
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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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int perf_session__create_kernel_maps(struct perf_session *self);
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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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static inline
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struct machine *perf_session__find_host_machine(struct perf_session *self)
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{
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return machines__find_host(&self->machines);
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}
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static inline
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struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
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{
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return machines__find(&self->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 *self, pid_t pid)
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{
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return machines__findnew(&self->machines, pid);
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}
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static inline
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void perf_session__process_machines(struct perf_session *self,
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machine__process_t process)
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{
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return machines__process(&self->machines, process, self);
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}
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#endif /* __PERF_SESSION_H */
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