gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

HFI1: more detailed profiling (disabled by default)

Browse Source
This commit is contained in:
Balazs Gerofi
2017-08-20 12:02:40 +09:00
parent 6406a0df6b
commit d35fa16417
3 changed files with 16 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
kernel/user_sdma.c
View File

@ -1277,11 +1277,6 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts)
#else
tx = kmalloc_cache_alloc(&txreq_cache, sizeof(*tx));
#endif /* __HFI1_ORIG__ */
#ifdef PROFILE_ENABLE
profile_event_add(PROFILE_sdma_1,
(rdtsc() - prof_ts));
prof_ts = rdtsc();
#endif // PROFILE_ENABLE
if (!tx)
return -ENOMEM;
TP("- kmalloc");
@ -1299,6 +1294,11 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts)
tx->flags |= (TXREQ_FLAGS_REQ_ACK |
TXREQ_FLAGS_REQ_DISABLE_SH);
#ifdef PROFILE_ENABLE
profile_event_add(PROFILE_sdma_0,
(rdtsc() - prof_ts));
prof_ts = rdtsc();
#endif // PROFILE_ENABLE
/*
* Calculate the payload size - this is min of the fragment
* (MTU) size or the remaining bytes in the request but only
@ -1335,6 +1335,11 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts)
}
}
#ifdef PROFILE_ENABLE
profile_event_add(PROFILE_sdma_1,
(rdtsc() - prof_ts));
prof_ts = rdtsc();
#endif // PROFILE_ENABLE
if (test_bit(SDMA_REQ_HAVE_AHG, &req->flags)) {
TP("+ if test_bit(SDMA_REQ_HAVE_AHG, &req->flags)");
if (!req->seqnum) {
@ -1404,15 +1409,15 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts)
}
TP("- test_bit(SDMA_REQ_HAVE_AHG, &req->flags)");
/*
* If the request contains any data vectors, add up to
* fragsize bytes to the descriptor.
*/
#ifdef PROFILE_ENABLE
profile_event_add(PROFILE_sdma_2,
(rdtsc() - prof_ts));
prof_ts = rdtsc();
#endif // PROFILE_ENABLE
/*
* If the request contains any data vectors, add up to
* fragsize bytes to the descriptor.
*/
TP("+ If the request contains any data vectors, add up to fragsize bytes to the descriptor.");
while (queued < datalen &&
(req->sent + data_sent) < req->data_len) {