openharmony/developtools_hiperf
1
0
Fork 0
mirror of https://gitee.com/openharmony/developtools_hiperf synced 2025-03-03 05:26:47 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

spe code

Browse Source 
Signed-off-by: yuyanqinghw <yuyanqing539@huawei.com>
This commit is contained in:
yuyanqinghw 2024-08-19 09:08:58 +08:00
parent 8cb342e16d
commit fce51ab6a4
1 changed files with 3 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/perf_events.cpp
View File

@ -97,6 +97,7 @@ void PerfEvents::ReadRecordsFromSpeMmaps(MmapFd& mmapFd, u64 auxOffset, u64 auxS
}
perf_event_mmap_page *userPage = reinterpret_cast<perf_event_mmap_page *>(mmapFd.mmapPage);
void *auxPage = mmapFd.auxBuf;
userPage->aux_tail = auxOffset - auxSize;
u64 auxHead = userPage->aux_head;
u64 auxTail = userPage->aux_tail;
HLOGD("mmap cpu %d, aux_head: %llu, aux_tail:%llu, auxOffset:%llu, auxSize:%llu",
@ -109,15 +110,12 @@ void PerfEvents::ReadRecordsFromSpeMmaps(MmapFd& mmapFd, u64 auxOffset, u64 auxS
userPage->aux_tail += auxSize;
return;
}
userPage->aux_tail = auxOffset - auxSize;
auxTail = userPage->aux_tail;
HLOGD("mmap cpu %d, aux_head: %llu, aux_tail:%llu, auxOffset:%llu, auxSize:%llu",
mmapFd.cpu, auxHead, auxTail, auxOffset, auxSize);
int cpu = mmapFd.cpu;
__sync_synchronize();
PerfRecordAuxtrace auxtraceRecord = PerfRecordAuxtrace(auxSize, auxTail,
arm_spe_reference(), cpu, tid, cpu, pid);
static std::vector<u8> vbuf(RECORD_SIZE_LIMIT_SPE);
static std::vector<u8> vbuf(RECORD_SIZE_LIMIT);
uint8_t *buf;
if ((buf = recordBuf_->AllocForWrite(auxtraceRecord.header.size + auxSize)) == nullptr) {
HLOGD("alloc buffer failed: PerfRecordAuxtrace record, readSize: %llu", auxSize);
@ -139,7 +137,6 @@ void PerfEvents::ReadRecordsFromSpeMmaps(MmapFd& mmapFd, u64 auxOffset, u64 auxS
SpeReadData(auxPage, &auxTail, buf, readSize);
__sync_synchronize();
userPage->aux_tail += readSize;
auxHead = userPage->aux_head;
auxTail = userPage->aux_tail;
buf += readSize;
auxSize -= readSize;