From e825a96a25aa060c8b0d6af49192fc0ea3616ba0 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Mon, 28 Apr 2014 12:31:23 +0100 Subject: [http] Profile receive datapath Signed-off-by: Michael Brown --- src/net/tcp/httpcore.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/net') diff --git a/src/net/tcp/httpcore.c b/src/net/tcp/httpcore.c index 6552ca2..1d1953e 100644 --- a/src/net/tcp/httpcore.c +++ b/src/net/tcp/httpcore.c @@ -53,6 +53,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); #include #include #include +#include #include /* Disambiguate the various error causes */ @@ -93,6 +94,12 @@ FILE_LICENCE ( GPL2_OR_LATER ); /** Retry delay used when we cannot understand the Retry-After header */ #define HTTP_RETRY_SECONDS 5 +/** Receive profiler */ +static struct profiler http_rx_profiler __profiler = { .name = "http.rx" }; + +/** Data transfer profiler */ +static struct profiler http_xfer_profiler __profiler = { .name = "http.xfer" }; + /** HTTP flags */ enum http_flags { /** Request is waiting to be transmitted */ @@ -892,6 +899,7 @@ static int http_socket_deliver ( struct http_request *http, ssize_t line_len; int rc = 0; + profile_start ( &http_rx_profiler ); while ( iobuf && iob_len ( iobuf ) ) { switch ( http->rx_state ) { @@ -927,16 +935,20 @@ static int http_socket_deliver ( struct http_request *http, iob_pull ( iobuf, data_len ); } else if ( data_len < iob_len ( iobuf ) ) { /* Deliver partial buffer as raw data */ + profile_start ( &http_xfer_profiler ); rc = xfer_deliver_raw ( &http->xfer, iobuf->data, data_len ); iob_pull ( iobuf, data_len ); if ( rc != 0 ) goto done; + profile_stop ( &http_xfer_profiler ); } else { /* Deliver whole I/O buffer */ + profile_start ( &http_xfer_profiler ); if ( ( rc = xfer_deliver_iob ( &http->xfer, iob_disown ( iobuf ) ) ) != 0 ) goto done; + profile_stop ( &http_xfer_profiler ); } http->rx_len += data_len; if ( http->chunk_remaining ) { @@ -985,6 +997,7 @@ static int http_socket_deliver ( struct http_request *http, if ( rc ) http_close ( http, rc ); free_iob ( iobuf ); + profile_stop ( &http_rx_profiler ); return rc; } -- cgit v1.1