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block/curl: Convert from DPRINTF() macro to trace events 

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181213162727.17438-3-lvivier@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Laurent Vivier 2018-12-13 17:27:25 +01:00 committed by Max Reitz
parent 023908a24d
commit ed2a66deb9
2 changed files with 17 additions and 21 deletions
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29
block/curl.c
View File

@ -32,22 +32,10 @@
#include "crypto/secret.h"
#include <curl/curl.h>
#include "qemu/cutils.h"
#include "trace.h"
// #define DEBUG_CURL
// #define DEBUG_VERBOSE
#ifdef DEBUG_CURL
#define DEBUG_CURL_PRINT 1
#else
#define DEBUG_CURL_PRINT 0
#endif
#define DPRINTF(fmt, ...) \
do { \
if (DEBUG_CURL_PRINT) { \
fprintf(stderr, fmt, ## __VA_ARGS__); \
} \
} while (0)
#if LIBCURL_VERSION_NUM >= 0x071000
/* The multi interface timer callback was introduced in 7.16.0 */
#define NEED_CURL_TIMER_CALLBACK
@ -154,7 +142,7 @@ static int curl_timer_cb(CURLM *multi, long timeout_ms, void *opaque)
{
BDRVCURLState *s = opaque;
DPRINTF("CURL: timer callback timeout_ms %ld\n", timeout_ms);
trace_curl_timer_cb(timeout_ms);
if (timeout_ms == -1) {
timer_del(&s->timer);
} else {
@ -193,7 +181,7 @@ static int curl_sock_cb(CURL *curl, curl_socket_t fd, int action,
}
socket = NULL;
DPRINTF("CURL (AIO): Sock action %d on fd %d\n", action, (int)fd);
trace_curl_sock_cb(action, (int)fd);
switch (action) {
case CURL_POLL_IN:
aio_set_fd_handler(s->aio_context, fd, false,
@ -238,7 +226,7 @@ static size_t curl_read_cb(void *ptr, size_t size, size_t nmemb, void *opaque)
size_t realsize = size * nmemb;
int i;
DPRINTF("CURL: Just reading %zd bytes\n", realsize);
trace_curl_read_cb(realsize);
if (!s || !s->orig_buf) {
goto read_end;
@ -777,7 +765,7 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags,
}
}
DPRINTF("CURL: Opening %s\n", file);
trace_curl_open(file);
qemu_co_queue_init(&s->free_state_waitq);
s->aio_context = bdrv_get_aio_context(bs);
s->url = g_strdup(file);
@ -830,7 +818,7 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags,
"Server does not support 'range' (byte ranges).");
goto out;
}
DPRINTF("CURL: Size = %" PRIu64 "\n", s->len);
trace_curl_open_size(s->len);
qemu_mutex_lock(&s->mutex);
curl_clean_state(state);
@ -908,8 +896,7 @@ static void curl_setup_preadv(BlockDriverState *bs, CURLAIOCB *acb)
state->acb[0] = acb;
snprintf(state->range, 127, "%" PRIu64 "-%" PRIu64, start, end);
DPRINTF("CURL (AIO): Reading %" PRIu64 " at %" PRIu64 " (%s)\n",
acb->bytes, start, state->range);
trace_curl_setup_preadv(acb->bytes, start, state->range);
curl_easy_setopt(state->curl, CURLOPT_RANGE, state->range);
curl_multi_add_handle(s->multi, state->curl);
@ -943,7 +930,7 @@ static void curl_close(BlockDriverState *bs)
{
BDRVCURLState *s = bs->opaque;
DPRINTF("CURL: Close\n");
trace_curl_close();
curl_detach_aio_context(bs);
qemu_mutex_destroy(&s->mutex);

9
block/trace-events
View File

@ -177,3 +177,12 @@ ssh_write(int64_t offset, size_t size) "offset=%" PRIi64 " size=%zu"
ssh_write_buf(void *buf, size_t size) "sftp_write buf=%p size=%zu"
ssh_write_return(ssize_t ret) "sftp_write returned %zd"
ssh_seek(int64_t offset) "seeking to offset=%" PRIi64
# block/curl.c
curl_timer_cb(long timeout_ms) "timer callback timeout_ms %ld"
curl_sock_cb(int action, int fd) "sock action %d on fd %d"
curl_read_cb(size_t realsize) "just reading %zu bytes"
curl_open(const char *file) "opening %s"
curl_open_size(uint64_t size) "size = %" PRIu64
curl_setup_preadv(uint64_t bytes, uint64_t start, const char *range) "reading %" PRIu64 " at %" PRIu64 " (%s)"
curl_close(void) "close"