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feat: sync PerfEventType with linux 5.6 perf_user_event_type and perf_event_type #9

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merged 1 commit into from
Mar 27, 2020
Merged

feat: sync PerfEventType with linux 5.6 perf_user_event_type and perf_event_type #9

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43 changes: 42 additions & 1 deletion app/perfdata.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,47 @@ void PerfData::setSource(QIODevice *source)
m_source = source;
}

const char * perfEventToString(qint32 type)
{
switch(type)
{
case PERF_RECORD_MMAP: return "PERF_RECORD_MMAP";
case PERF_RECORD_LOST: return "PERF_RECORD_LOST";
case PERF_RECORD_COMM: return "PERF_RECORD_COMM";
case PERF_RECORD_EXIT: return "PERF_RECORD_EXIT";
case PERF_RECORD_THROTTLE: return "PERF_RECORD_THROTTLE";
case PERF_RECORD_UNTHROTTLE: return "PERF_RECORD_UNTHROTTLE";
case PERF_RECORD_FORK: return "PERF_RECORD_FORK";
case PERF_RECORD_READ: return "PERF_RECORD_READ";
case PERF_RECORD_SAMPLE: return "PERF_RECORD_SAMPLE";
case PERF_RECORD_MMAP2: return "PERF_RECORD_MMAP2";
case PERF_RECORD_SWITCH: return "PERF_RECORD_SWITCH";
case PERF_RECORD_SWITCH_CPU_WIDE: return "PERF_RECORD_SWITCH_CPU_WIDE";
case PERF_RECORD_NAMESPACES: return "PERF_RECORD_NAMESPACES";
case PERF_RECORD_KSYMBOL: return "PERF_RECORD_KSYMBOL";
case PERF_RECORD_BPF_EVENT: return "PERF_RECORD_BPF_EVENT";
case PERF_RECORD_HEADER_ATTR: return "PERF_RECORD_HEADER_ATTR";
case PERF_RECORD_HEADER_EVENT_TYPE: return "PERF_RECORD_HEADER_EVENT_TYPE";
case PERF_RECORD_HEADER_TRACING_DATA: return "PERF_RECORD_HEADER_TRACING_DATA";
case PERF_RECORD_HEADER_BUILD_ID: return "PERF_RECORD_HEADER_BUILD_ID";
case PERF_RECORD_FINISHED_ROUND: return "PERF_RECORD_FINISHED_ROUND";
case PERF_RECORD_ID_INDEX: return "PERF_RECORD_ID_INDEX";
case PERF_RECORD_AUXTRACE_INFO: return "PERF_RECORD_AUXTRACE_INFO";
case PERF_RECORD_AUXTRACE: return "PERF_RECORD_AUXTRACE";
case PERF_RECORD_AUXTRACE_ERROR: return "PERF_RECORD_AUXTRACE_ERROR";
case PERF_RECORD_THREAD_MAP: return "PERF_RECORD_THREAD_MAP";
case PERF_RECORD_CPU_MAP: return "PERF_RECORD_CPU_MAP";
case PERF_RECORD_STAT_CONFIG: return "PERF_RECORD_STAT_CONFIG";
case PERF_RECORD_STAT: return "PERF_RECORD_STAT";
case PERF_RECORD_STAT_ROUND: return "PERF_RECORD_STAT_ROUND";
case PERF_RECORD_EVENT_UPDATE: return "PERF_RECORD_EVENT_UPDATE";
case PERF_RECORD_TIME_CONV: return "PERF_RECORD_TIME_CONV";
case PERF_RECORD_HEADER_FEATURE: return "PERF_RECORD_HEADER_FEATURE";
case PERF_RECORD_COMPRESSED: return "PERF_RECORD_COMPRESSED";
}
return "uknown type";
}

PerfData::ReadStatus PerfData::processEvents(QDataStream &stream)
{
const quint16 headerSize = PerfEventHeader::fixedLength();
Expand Down Expand Up @@ -187,7 +228,7 @@ PerfData::ReadStatus PerfData::processEvents(QDataStream &stream)
}

default:
qWarning() << "unhandled event type" << m_eventHeader.type;
qWarning() << "unhandled event type" << m_eventHeader.type << " " << perfEventToString(m_eventHeader.type);
stream.skipRawData(contentSize);
break;
}
Expand Down
75 changes: 74 additions & 1 deletion app/perfdata.h
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Original file line number Diff line number Diff line change
Expand Up @@ -225,14 +225,87 @@ enum PerfEventType {
*/
PERF_RECORD_SWITCH = 14,

PERF_RECORD_MAX, /* non-ABI */
/*
* CPU-wide version of PERF_RECORD_SWITCH with next_prev_pid and
* next_prev_tid that are the next (switching out) or previous
* (switching in) pid/tid.
*
* struct {
* struct perf_event_header header;
* u32 next_prev_pid;
* u32 next_prev_tid;
* struct sample_id sample_id;
* };
*/
PERF_RECORD_SWITCH_CPU_WIDE = 15,

/*
* struct {
* struct perf_event_header header;
* u32 pid;
* u32 tid;
* u64 nr_namespaces;
* { u64 dev, inode; } [nr_namespaces];
* struct sample_id sample_id;
* };
*/
PERF_RECORD_NAMESPACES = 16,

/*
* Record ksymbol register/unregister events:
*
* struct {
* struct perf_event_header header;
* u64 addr;
* u32 len;
* u16 ksym_type;
* u16 flags;
* char name[];
* struct sample_id sample_id;
* };
*/
PERF_RECORD_KSYMBOL = 17,

/*
* Record bpf events:
* enum perf_bpf_event_type {
* PERF_BPF_EVENT_UNKNOWN = 0,
* PERF_BPF_EVENT_PROG_LOAD = 1,
* PERF_BPF_EVENT_PROG_UNLOAD = 2,
* };
*
* struct {
* struct perf_event_header header;
* u16 type;
* u16 flags;
* u32 id;
* u8 tag[BPF_TAG_SIZE];
* struct sample_id sample_id;
* };
*/
PERF_RECORD_BPF_EVENT = 18,

PERF_RECORD_MAX, /* non-ABI */

PERF_RECORD_USER_TYPE_START = 64,
PERF_RECORD_HEADER_ATTR = 64,
PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
PERF_RECORD_HEADER_TRACING_DATA = 66,
PERF_RECORD_HEADER_BUILD_ID = 67,
PERF_RECORD_FINISHED_ROUND = 68,
PERF_RECORD_ID_INDEX = 69,
PERF_RECORD_AUXTRACE_INFO = 70,
PERF_RECORD_AUXTRACE = 71,
PERF_RECORD_AUXTRACE_ERROR = 72,
PERF_RECORD_THREAD_MAP = 73,
PERF_RECORD_CPU_MAP = 74,
PERF_RECORD_STAT_CONFIG = 75,
PERF_RECORD_STAT = 76,
PERF_RECORD_STAT_ROUND = 77,
PERF_RECORD_EVENT_UPDATE = 78,
PERF_RECORD_TIME_CONV = 79,
PERF_RECORD_HEADER_FEATURE = 80,
PERF_RECORD_COMPRESSED = 81,
PERF_RECORD_HEADER_MAX
};

Expand Down