diff options
| author | Tony Lu <tonylu@linux.alibaba.com> | 2021-11-01 10:39:14 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-11-01 16:39:14 +0300 |
| commit | aff3083f10bff7a37eaa2b4e6bc5fb627ddd5f84 (patch) | |
| tree | 3e35820d6b7860914d97d8a6fbdfef3520067b06 /net/smc/smc_rx.c | |
| parent | 4826260868202246a4dba1c682491d7f4b90d747 (diff) | |
| download | linux-aff3083f10bff7a37eaa2b4e6bc5fb627ddd5f84.tar.xz | |
net/smc: Introduce tracepoints for tx and rx msg
This introduce two tracepoints for smc tx and rx msg to help us
diagnosis issues of data path. These two tracepoitns don't cover the
path of CORK or MSG_MORE in tx, just the top half of data path.
Signed-off-by: Tony Lu <tonylu@linux.alibaba.com>
Reviewed-by: Wen Gu <guwen@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_rx.c')
| -rw-r--r-- | net/smc/smc_rx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/smc/smc_rx.c b/net/smc/smc_rx.c index 170b733bc736..51e8eb2933ff 100644 --- a/net/smc/smc_rx.c +++ b/net/smc/smc_rx.c @@ -22,6 +22,7 @@ #include "smc_tx.h" /* smc_tx_consumer_update() */ #include "smc_rx.h" #include "smc_stats.h" +#include "smc_tracepoint.h" /* callback implementation to wakeup consumers blocked with smc_rx_wait(). * indirectly called by smc_cdc_msg_recv_action(). @@ -438,6 +439,8 @@ copy: if (msg && smc_rx_update_consumer(smc, cons, copylen)) goto out; } + + trace_smc_rx_recvmsg(smc, copylen); } while (read_remaining); out: return read_done; |