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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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80c0120a3c
Based on Jiri's latest attempt: https://lkml.org/lkml/2012/5/16/61 Basically, adds_features should be byte swapped assuming unsigned longs are either 8-bytes (u64) or 4-bytes (u32). Fixes 32-bit ppc dumping 64-bit x86 feature data: ======== captured on: Sun May 20 19:23:23 2012 hostname : nxos-vdc-dev3 os release : 3.4.0-rc7+ perf version : 3.4.rc4.137.g978da3 arch : x86_64 nrcpus online : 16 nrcpus avail : 16 cpudesc : Intel(R) Xeon(R) CPU E5540 @ 2.53GHz cpuid : GenuineIntel,6,26,5 total memory : 24680324 kB ... Verified 64-bit x86 can still dump feature data for 32-bit ppc. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Jiri Olsa <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/4FBBB539.5010805@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
162 lines
4.7 KiB
C
162 lines
4.7 KiB
C
#ifndef __PERF_SESSION_H
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#define __PERF_SESSION_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 "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 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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unsigned long size;
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unsigned long mmap_window;
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struct machine host_machine;
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struct rb_root machines;
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struct perf_evlist *evlist;
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/*
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* FIXME: Need to split this up further, we need global
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* stats + per event stats. 'perf diff' also needs
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* to properly support multiple events in a single
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* perf.data file.
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*/
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struct hists hists;
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u64 sample_type;
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int sample_size;
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int fd;
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bool fd_pipe;
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bool repipe;
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bool sample_id_all;
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u16 id_hdr_size;
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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[1];
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};
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struct perf_tool;
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struct perf_session *perf_session__new(const char *filename, int mode,
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bool force, bool repipe,
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struct perf_tool *tool);
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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_tool *tool);
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int perf_session__process_events(struct perf_session *self,
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struct perf_tool *tool);
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int perf_session__resolve_callchain(struct perf_session *self, 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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struct branch_info *machine__resolve_bstack(struct machine *self,
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struct thread *thread,
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struct branch_stack *bs);
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bool perf_session__has_traces(struct perf_session *self, const char *msg);
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void mem_bswap_64(void *src, int byte_size);
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void mem_bswap_32(void *src, int byte_size);
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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 *self);
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void perf_session__update_sample_type(struct perf_session *self);
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void perf_session__remove_thread(struct perf_session *self, struct thread *th);
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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 &self->host_machine;
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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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if (pid == HOST_KERNEL_ID)
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return &self->host_machine;
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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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if (pid == HOST_KERNEL_ID)
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return &self->host_machine;
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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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struct perf_tool *tool,
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machine__process_t process)
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{
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process(&self->host_machine, tool);
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return machines__process(&self->machines, process, tool);
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}
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struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
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size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
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size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
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size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
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FILE *fp, bool with_hits);
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size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
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static inline int perf_session__parse_sample(struct perf_session *session,
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const union perf_event *event,
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struct perf_sample *sample)
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{
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return perf_event__parse_sample(event, session->sample_type,
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session->sample_size,
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session->sample_id_all, sample,
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session->header.needs_swap);
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}
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static inline int perf_session__synthesize_sample(struct perf_session *session,
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union perf_event *event,
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const struct perf_sample *sample)
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{
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return perf_event__synthesize_sample(event, session->sample_type,
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sample, session->header.needs_swap);
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}
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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_event__print_ip(union perf_event *event, struct perf_sample *sample,
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struct machine *machine, struct perf_evsel *evsel,
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int print_sym, int print_dso, int print_symoffset);
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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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#endif /* __PERF_SESSION_H */
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