diff options
Diffstat (limited to 'man2/perf_event_open.2')
| -rw-r--r-- | man2/perf_event_open.2 | 486 |
1 files changed, 243 insertions, 243 deletions
diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 index 8186c21c7..baae6b403 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -195,88 +195,88 @@ for the event being created. .in +4n .EX struct perf_event_attr { - __u32 type; /* Type of event */ - __u32 size; /* Size of attribute structure */ - __u64 config; /* Type\-specific configuration */ + uint32_t type; /* Type of event */ + uint32_t size; /* Size of attribute structure */ + uint64_t config; /* Type\-specific configuration */ union { - __u64 sample_period; /* Period of sampling */ - __u64 sample_freq; /* Frequency of sampling */ + uint64_t sample_period; /* Period of sampling */ + uint64_t sample_freq; /* Frequency of sampling */ }; - __u64 sample_type; /* Specifies values included in sample */ - __u64 read_format; /* Specifies values returned in read */ + uint64_t sample_type; /* Specifies values included in sample */ + uint64_t read_format; /* Specifies values returned in read */ - __u64 disabled : 1, /* off by default */ - inherit : 1, /* children inherit it */ - pinned : 1, /* must always be on PMU */ - exclusive : 1, /* only group on PMU */ - exclude_user : 1, /* don\(aqt count user */ - exclude_kernel : 1, /* don\(aqt count kernel */ - exclude_hv : 1, /* don\(aqt count hypervisor */ - exclude_idle : 1, /* don\(aqt count when idle */ - mmap : 1, /* include mmap data */ - comm : 1, /* include comm data */ - freq : 1, /* use freq, not period */ - inherit_stat : 1, /* per task counts */ - enable_on_exec : 1, /* next exec enables */ - task : 1, /* trace fork/exit */ - watermark : 1, /* wakeup_watermark */ - precise_ip : 2, /* skid constraint */ - mmap_data : 1, /* non\-exec mmap data */ - sample_id_all : 1, /* sample_type all events */ - exclude_host : 1, /* don\(aqt count in host */ - exclude_guest : 1, /* don\(aqt count in guest */ - exclude_callchain_kernel : 1, - /* exclude kernel callchains */ - exclude_callchain_user : 1, - /* exclude user callchains */ - mmap2 : 1, /* include mmap with inode data */ - comm_exec : 1, /* flag comm events that are - due to exec */ - use_clockid : 1, /* use clockid for time fields */ - context_switch : 1, /* context switch data */ - write_backward : 1, /* Write ring buffer from end - to beginning */ - namespaces : 1, /* include namespaces data */ - ksymbol : 1, /* include ksymbol events */ - bpf_event : 1, /* include bpf events */ - aux_output : 1, /* generate AUX records - instead of events */ - cgroup : 1, /* include cgroup events */ - text_poke : 1, /* include text poke events */ + uint64_t disabled : 1, /* off by default */ + inherit : 1, /* children inherit it */ + pinned : 1, /* must always be on PMU */ + exclusive : 1, /* only group on PMU */ + exclude_user : 1, /* don\(aqt count user */ + exclude_kernel : 1, /* don\(aqt count kernel */ + exclude_hv : 1, /* don\(aqt count hypervisor */ + exclude_idle : 1, /* don\(aqt count when idle */ + mmap : 1, /* include mmap data */ + comm : 1, /* include comm data */ + freq : 1, /* use freq, not period */ + inherit_stat : 1, /* per task counts */ + enable_on_exec : 1, /* next exec enables */ + task : 1, /* trace fork/exit */ + watermark : 1, /* wakeup_watermark */ + precise_ip : 2, /* skid constraint */ + mmap_data : 1, /* non\-exec mmap data */ + sample_id_all : 1, /* sample_type all events */ + exclude_host : 1, /* don\(aqt count in host */ + exclude_guest : 1, /* don\(aqt count in guest */ + exclude_callchain_kernel : 1, + /* exclude kernel callchains */ + exclude_callchain_user : 1, + /* exclude user callchains */ + mmap2 : 1, /* include mmap with inode data */ + comm_exec : 1, /* flag comm events that are + due to exec */ + use_clockid : 1, /* use clockid for time fields */ + context_switch : 1, /* context switch data */ + write_backward : 1, /* Write ring buffer from end + to beginning */ + namespaces : 1, /* include namespaces data */ + ksymbol : 1, /* include ksymbol events */ + bpf_event : 1, /* include bpf events */ + aux_output : 1, /* generate AUX records + instead of events */ + cgroup : 1, /* include cgroup events */ + text_poke : 1, /* include text poke events */ - __reserved_1 : 30; + __reserved_1 :30; union { - __u32 wakeup_events; /* wakeup every n events */ - __u32 wakeup_watermark; /* bytes before wakeup */ + uint32_t wakeup_events; /* wakeup every n events */ + uint32_t wakeup_watermark; /* bytes before wakeup */ }; - __u32 bp_type; /* breakpoint type */ + uint32_t bp_type; /* breakpoint type */ union { - __u64 bp_addr; /* breakpoint address */ - __u64 kprobe_func; /* for perf_kprobe */ - __u64 uprobe_path; /* for perf_uprobe */ - __u64 config1; /* extension of config */ + uint64_t bp_addr; /* breakpoint address */ + uint64_t kprobe_func; /* for perf_kprobe */ + uint64_t uprobe_path; /* for perf_uprobe */ + uint64_t config1; /* extension of config */ }; union { - __u64 bp_len; /* breakpoint length */ - __u64 kprobe_addr; /* with kprobe_func == NULL */ - __u64 probe_offset; /* for perf_[k,u]probe */ - __u64 config2; /* extension of config1 */ + uint64_t bp_len; /* breakpoint length */ + uint64_t kprobe_addr; /* with kprobe_func == NULL */ + uint64_t probe_offset; /* for perf_[k,u]probe */ + uint64_t config2; /* extension of config1 */ }; - __u64 branch_sample_type; /* enum perf_branch_sample_type */ - __u64 sample_regs_user; /* user regs to dump on samples */ - __u32 sample_stack_user; /* size of stack to dump on - samples */ - __s32 clockid; /* clock to use for time fields */ - __u64 sample_regs_intr; /* regs to dump on samples */ - __u32 aux_watermark; /* aux bytes before wakeup */ - __u16 sample_max_stack; /* max frames in callchain */ - __u16 __reserved_2; /* align to u64 */ + uint64_t branch_sample_type; /* enum perf_branch_sample_type */ + uint64_t sample_regs_user; /* user regs to dump on samples */ + uint32_t sample_stack_user; /* size of stack to dump on + samples */ + int32_t clockid; /* clock to use for time fields */ + uint64_t sample_regs_intr; /* regs to dump on samples */ + uint32_t aux_watermark; /* aux bytes before wakeup */ + uint16_t sample_max_stack; /* max frames in callchain */ + uint16_t __reserved_2; /* align to uint64_t */ }; .EE @@ -1121,12 +1121,12 @@ The layout is described by this pseudo-structure: .in +4n .EX struct sample_id { - { u32 pid, tid; } /* if PERF_SAMPLE_TID set */ - { u64 time; } /* if PERF_SAMPLE_TIME set */ - { u64 id; } /* if PERF_SAMPLE_ID set */ - { u64 stream_id;} /* if PERF_SAMPLE_STREAM_ID set */ - { u32 cpu, res; } /* if PERF_SAMPLE_CPU set */ - { u64 id; } /* if PERF_SAMPLE_IDENTIFIER set */ + { uint32_t pid, tid; } /* if PERF_SAMPLE_TID set */ + { uint64_t time; } /* if PERF_SAMPLE_TIME set */ + { uint64_t id; } /* if PERF_SAMPLE_ID set */ + { uint64_t stream_id;} /* if PERF_SAMPLE_STREAM_ID set */ + { uint32_t cpu, res; } /* if PERF_SAMPLE_CPU set */ + { uint64_t id; } /* if PERF_SAMPLE_IDENTIFIER set*/ }; .EE .in @@ -1492,12 +1492,12 @@ was specified to allow reading all events in a group at once: .in +4n .EX struct read_format { - u64 nr; /* The number of events */ - u64 time_enabled; /* if PERF_FORMAT_TOTAL_TIME_ENABLED */ - u64 time_running; /* if PERF_FORMAT_TOTAL_TIME_RUNNING */ + uint64_t nr; /* The number of events */ + uint64_t time_enabled; /* if PERF_FORMAT_TOTAL_TIME_ENABLED */ + uint64_t time_running; /* if PERF_FORMAT_TOTAL_TIME_RUNNING */ struct { - u64 value; /* The value of the event */ - u64 id; /* if PERF_FORMAT_ID */ + uint64_t value; /* The value of the event */ + uint64_t id; /* if PERF_FORMAT_ID */ } values[nr]; }; .EE @@ -1512,10 +1512,10 @@ specified: .in +4n .EX struct read_format { - u64 value; /* The value of the event */ - u64 time_enabled; /* if PERF_FORMAT_TOTAL_TIME_ENABLED */ - u64 time_running; /* if PERF_FORMAT_TOTAL_TIME_RUNNING */ - u64 id; /* if PERF_FORMAT_ID */ + uint64_t value; /* The value of the event */ + uint64_t time_enabled; /* if PERF_FORMAT_TOTAL_TIME_ENABLED */ + uint64_t time_running; /* if PERF_FORMAT_TOTAL_TIME_RUNNING */ + uint64_t id; /* if PERF_FORMAT_ID */ }; .EE .in @@ -1572,36 +1572,36 @@ The structure of the first metadata mmap page is as follows: .in +4n .EX struct perf_event_mmap_page { - __u32 version; /* version number of this structure */ - __u32 compat_version; /* lowest version this is compat with */ - __u32 lock; /* seqlock for synchronization */ - __u32 index; /* hardware counter identifier */ - __s64 offset; /* add to hardware counter value */ - __u64 time_enabled; /* time event active */ - __u64 time_running; /* time event on CPU */ + uint32_t version; /* version number of this structure */ + uint32_t compat_version; /* lowest version this is compat with*/ + uint32_t lock; /* seqlock for synchronization */ + uint32_t index; /* hardware counter identifier */ + int64_t offset; /* add to hardware counter value */ + uint64_t time_enabled; /* time event active */ + uint64_t time_running; /* time event on CPU */ union { - __u64 capabilities; + uint64_t capabilities; struct { - __u64 cap_usr_time / cap_usr_rdpmc / cap_bit0 : 1, - cap_bit0_is_deprecated : 1, - cap_user_rdpmc : 1, - cap_user_time : 1, - cap_user_time_zero : 1, + uint64_t cap_usr_time / cap_usr_rdpmc / cap_bit0 : 1, + cap_bit0_is_deprecated : 1, + cap_user_rdpmc : 1, + cap_user_time : 1, + cap_user_time_zero : 1, }; }; - __u16 pmc_width; - __u16 time_shift; - __u32 time_mult; - __u64 time_offset; - __u64 __reserved[120]; /* Pad to 1 k */ - __u64 data_head; /* head in the data section */ - __u64 data_tail; /* user\-space written tail */ - __u64 data_offset; /* where the buffer starts */ - __u64 data_size; /* data buffer size */ - __u64 aux_head; - __u64 aux_tail; - __u64 aux_offset; - __u64 aux_size; + uint16_t pmc_width; + uint16_t time_shift; + uint32_t time_mult; + uint64_t time_offset; + uint64_t __reserved[120]; /* Pad to 1 k */ + uint64_t data_head; /* head in the data section */ + uint64_t data_tail; /* user\-space written tail */ + uint64_t data_offset; /* where the buffer starts */ + uint64_t data_size; /* data buffer size */ + uint64_t aux_head; + uint64_t aux_tail; + uint64_t aux_offset; + uint64_t aux_size; } .EE @@ -1681,9 +1681,9 @@ the following code can be used to do a read: .IP .in +4n .EX -u32 seq, time_mult, time_shift, idx, width; -u64 count, enabled, running; -u64 cyc, time_offset; +uint32_t seq, time_mult, time_shift, idx, width; +uint64_t count, enabled, running; +uint64_t cyc, time_offset; do { seq = pc\->lock; @@ -1749,11 +1749,11 @@ delta since .IP .in +4n .EX -u64 quot, rem; -u64 delta; +uint64_t quot, rem; +uint64_t delta; quot = cyc >> time_shift; -rem = cyc & (((u64)1 << time_shift) \- 1); +rem = cyc & (((uint64_t) 1 << time_shift) \- 1); delta = time_offset + quot * time_mult + ((rem * time_mult) >> time_shift); .EE @@ -1808,7 +1808,7 @@ And vice versa: .in +4n .EX quot = cyc >> time_shift; -rem = cyc & (((u64)1 << time_shift) \- 1); +rem = cyc & (((uint64_t) 1 << time_shift) \- 1); timestamp = time_zero + quot * time_mult + ((rem * time_mult) >> time_shift); .EE @@ -1910,9 +1910,9 @@ The mmap values start with a header: .in +4n .EX struct perf_event_header { - __u32 type; - __u16 misc; - __u16 size; + uint32_t type; + uint16_t misc; + uint16_t size; }; .EE .in @@ -2031,12 +2031,12 @@ They have the following structure: .in +4n .EX struct { - struct perf_event_header header; - u32 pid, tid; - u64 addr; - u64 len; - u64 pgoff; - char filename[]; + struct perf_event_header header; + uint32_t pid, tid; + uint64_t addr; + uint64_t len; + uint64_t pgoff; + char filename[]; }; .EE .in @@ -2064,10 +2064,10 @@ This record indicates when events are lost. .in +4n .EX struct { - struct perf_event_header header; - u64 id; - u64 lost; - struct sample_id sample_id; + struct perf_event_header header; + uint64_t id; + uint64_t lost; + struct sample_id sample_id; }; .EE .in @@ -2086,11 +2086,11 @@ This record indicates a change in the process name. .in +4n .EX struct { - struct perf_event_header header; - u32 pid; - u32 tid; - char comm[]; - struct sample_id sample_id; + struct perf_event_header header; + uint32_t pid; + uint32_t tid; + char comm[]; + struct sample_id sample_id; }; .EE .in @@ -2112,11 +2112,11 @@ This record indicates a process exit event. .in +4n .EX struct { - struct perf_event_header header; - u32 pid, ppid; - u32 tid, ptid; - u64 time; - struct sample_id sample_id; + struct perf_event_header header; + uint32_t pid, ppid; + uint32_t tid, ptid; + uint64_t time; + struct sample_id sample_id; }; .EE .in @@ -2127,11 +2127,11 @@ This record indicates a throttle/unthrottle event. .in +4n .EX struct { - struct perf_event_header header; - u64 time; - u64 id; - u64 stream_id; - struct sample_id sample_id; + struct perf_event_header header; + uint64_t time; + uint64_t id; + uint64_t stream_id; + struct sample_id sample_id; }; .EE .in @@ -2142,11 +2142,11 @@ This record indicates a fork event. .in +4n .EX struct { - struct perf_event_header header; - u32 pid, ppid; - u32 tid, ptid; - u64 time; - struct sample_id sample_id; + struct perf_event_header header; + uint32_t pid, ppid; + uint32_t tid, ptid; + uint64_t time; + struct sample_id sample_id; }; .EE .in @@ -2157,10 +2157,10 @@ This record indicates a read event. .in +4n .EX struct { - struct perf_event_header header; - u32 pid, tid; - struct read_format values; - struct sample_id sample_id; + struct perf_event_header header; + uint32_t pid, tid; + struct read_format values; + struct sample_id sample_id; }; .EE .in @@ -2172,39 +2172,39 @@ This record indicates a sample. .EX struct { struct perf_event_header header; - u64 sample_id; /* if PERF_SAMPLE_IDENTIFIER */ - u64 ip; /* if PERF_SAMPLE_IP */ - u32 pid, tid; /* if PERF_SAMPLE_TID */ - u64 time; /* if PERF_SAMPLE_TIME */ - u64 addr; /* if PERF_SAMPLE_ADDR */ - u64 id; /* if PERF_SAMPLE_ID */ - u64 stream_id; /* if PERF_SAMPLE_STREAM_ID */ - u32 cpu, res; /* if PERF_SAMPLE_CPU */ - u64 period; /* if PERF_SAMPLE_PERIOD */ + uint64_t sample_id; /* if PERF_SAMPLE_IDENTIFIER */ + uint64_t ip; /* if PERF_SAMPLE_IP */ + uint32_t pid, tid; /* if PERF_SAMPLE_TID */ + uint64_t time; /* if PERF_SAMPLE_TIME */ + uint64_t addr; /* if PERF_SAMPLE_ADDR */ + uint64_t id; /* if PERF_SAMPLE_ID */ + uint64_t stream_id; /* if PERF_SAMPLE_STREAM_ID */ + uint32_t cpu, res; /* if PERF_SAMPLE_CPU */ + uint64_t period; /* if PERF_SAMPLE_PERIOD */ struct read_format v; - /* if PERF_SAMPLE_READ */ - u64 nr; /* if PERF_SAMPLE_CALLCHAIN */ - u64 ips[nr]; /* if PERF_SAMPLE_CALLCHAIN */ - u32 size; /* if PERF_SAMPLE_RAW */ - char data[size]; /* if PERF_SAMPLE_RAW */ - u64 bnr; /* if PERF_SAMPLE_BRANCH_STACK */ + /* if PERF_SAMPLE_READ */ + uint64_t nr; /* if PERF_SAMPLE_CALLCHAIN */ + uint64_t ips[nr]; /* if PERF_SAMPLE_CALLCHAIN */ + uint32_t size; /* if PERF_SAMPLE_RAW */ + char data[size]; /* if PERF_SAMPLE_RAW */ + uint64_t bnr; /* if PERF_SAMPLE_BRANCH_STACK*/ struct perf_branch_entry lbr[bnr]; - /* if PERF_SAMPLE_BRANCH_STACK */ - u64 abi; /* if PERF_SAMPLE_REGS_USER */ - u64 regs[weight(mask)]; - /* if PERF_SAMPLE_REGS_USER */ - u64 size; /* if PERF_SAMPLE_STACK_USER */ - char data[size]; /* if PERF_SAMPLE_STACK_USER */ - u64 dyn_size; /* if PERF_SAMPLE_STACK_USER && - size != 0 */ - u64 weight; /* if PERF_SAMPLE_WEIGHT */ - u64 data_src; /* if PERF_SAMPLE_DATA_SRC */ - u64 transaction; /* if PERF_SAMPLE_TRANSACTION */ - u64 abi; /* if PERF_SAMPLE_REGS_INTR */ - u64 regs[weight(mask)]; - /* if PERF_SAMPLE_REGS_INTR */ - u64 phys_addr; /* if PERF_SAMPLE_PHYS_ADDR */ - u64 cgroup; /* if PERF_SAMPLE_CGROUP */ + /* if PERF_SAMPLE_BRANCH_STACK*/ + uint64_t abi; /* if PERF_SAMPLE_REGS_USER */ + uint64_t regs[weight(mask)]; + /* if PERF_SAMPLE_REGS_USER */ + uint64_t size; /* if PERF_SAMPLE_STACK_USER */ + char data[size]; /* if PERF_SAMPLE_STACK_USER */ + uint64_t dyn_size; /* if PERF_SAMPLE_STACK_USER && + size != 0 */ + uint64_t weight; /* if PERF_SAMPLE_WEIGHT */ + uint64_t data_src; /* if PERF_SAMPLE_DATA_SRC */ + uint64_t transaction;/* if PERF_SAMPLE_TRANSACTION */ + uint64_t abi; /* if PERF_SAMPLE_REGS_INTR */ + uint64_t regs[weight(mask)]; + /* if PERF_SAMPLE_REGS_INTR */ + uint64_t phys_addr; /* if PERF_SAMPLE_PHYS_ADDR */ + uint64_t cgroup; /* if PERF_SAMPLE_CGROUP */ }; .EE .in @@ -2654,20 +2654,20 @@ shared mappings. .in +4n .EX struct { - struct perf_event_header header; - u32 pid; - u32 tid; - u64 addr; - u64 len; - u64 pgoff; - u32 maj; - u32 min; - u64 ino; - u64 ino_generation; - u32 prot; - u32 flags; - char filename[]; - struct sample_id sample_id; + struct perf_event_header header; + uint32_t pid; + uint32_t tid; + uint64_t addr; + uint64_t len; + uint64_t pgoff; + uint32_t maj; + uint32_t min; + uint64_t ino; + uint64_t ino_generation; + uint32_t prot; + uint32_t flags; + char filename[]; + struct sample_id sample_id; }; .EE .in @@ -2718,11 +2718,11 @@ AUX buffer region. .in +4n .EX struct { - struct perf_event_header header; - u64 aux_offset; - u64 aux_size; - u64 flags; - struct sample_id sample_id; + struct perf_event_header header; + uint64_t aux_offset; + uint64_t aux_size; + uint64_t flags; + struct sample_id sample_id; }; .EE .in @@ -2757,9 +2757,9 @@ addresses in the AUX buffer with the proper executable. .in +4n .EX struct { - struct perf_event_header header; - u32 pid; - u32 tid; + struct perf_event_header header; + uint32_t pid; + uint32_t tid; }; .EE .in @@ -2780,9 +2780,9 @@ indicates some number of samples that may have been lost. .in +4n .EX struct { - struct perf_event_header header; - u64 lost; - struct sample_id sample_id; + struct perf_event_header header; + uint64_t lost; + struct sample_id sample_id; }; .EE .in @@ -2829,10 +2829,10 @@ or away from the current process. .in +4n .EX struct { - struct perf_event_header header; - u32 next_prev_pid; - u32 next_prev_tid; - struct sample_id sample_id; + struct perf_event_header header; + uint32_t next_prev_pid; + uint32_t next_prev_tid; + struct sample_id sample_id; }; .EE .in @@ -2854,12 +2854,12 @@ This record includes various namespace information of a process. .in +4n .EX struct { - struct perf_event_header header; - u32 pid; - u32 tid; - u64 nr_namespaces; - struct { u64 dev, inode } [nr_namespaces]; - struct sample_id sample_id; + struct perf_event_header header; + uint32_t pid; + uint32_t tid; + uint64_t nr_namespaces; + struct { uint64_t dev, inode } [nr_namespaces]; + struct sample_id sample_id; }; .EE .in @@ -2912,13 +2912,13 @@ This record indicates kernel symbol register/unregister events. .in +4n .EX struct { - struct perf_event_header header; - u64 addr; - u32 len; - u16 ksym_type; - u16 flags; - char name[]; - struct sample_id sample_id; + struct perf_event_header header; + uint64_t addr; + uint32_t len; + uint16_t ksym_type; + uint16_t flags; + char name[]; + struct sample_id sample_id; }; .EE .in @@ -2952,12 +2952,12 @@ This record indicates BPF program is loaded or unloaded. .in +4n .EX struct { - struct perf_event_header header; - u16 type; - u16 flags; - u32 id; - u8 tag[BPF_TAG_SIZE]; - struct sample_id sample_id; + struct perf_event_header header; + uint16_t type; + uint16_t flags; + uint32_t id; + uint8_t tag[BPF_TAG_SIZE]; + struct sample_id sample_id; }; .EE .in @@ -2991,10 +2991,10 @@ This record indicates a new cgroup is created and activated. .in +4n .EX struct { - struct perf_event_header header; - u64 id; - char path[]; - struct sample_id sample_id; + struct perf_event_header header; + uint64_t id; + char path[]; + struct sample_id sample_id; }; .EE .in @@ -3019,12 +3019,12 @@ and the corresponding length is zero in this case. .in +4n .EX struct { - struct perf_event_header header; - u64 addr; - u16 old_len; - u16 new_len; - u8 bytes[]; - struct sample_id sample_id; + struct perf_event_header header; + uint64_t addr; + uint16_t old_len; + uint16_t new_len; + uint8_t bytes[]; + struct sample_id sample_id; }; .EE .in @@ -3282,9 +3282,9 @@ The argument is a pointer to a structure .in +4n .EX struct perf_event_query_bpf { - __u32 ids_len; - __u32 prog_cnt; - __u32 ids[0]; + uint32_t ids_len; + uint32_t prog_cnt; + uint32_t ids[0]; }; .EE .in |