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-rw-r--r--docs/devel/tracing.txt2
-rw-r--r--hw/usb/hcd-ohci.c13
-rw-r--r--net/colo-compare.c11
-rw-r--r--net/filter-rewriter.c4
-rw-r--r--trace/control.h18
5 files changed, 31 insertions, 17 deletions
diff --git a/docs/devel/tracing.txt b/docs/devel/tracing.txt
index 5768a0b7a2..07abbb345c 100644
--- a/docs/devel/tracing.txt
+++ b/docs/devel/tracing.txt
@@ -353,7 +353,7 @@ guard such computations and avoid its compilation when the event is disabled:
}
You can check both if the event has been disabled and is dynamically enabled at
-the same time using the 'trace_event_get_state' routine (see header
+the same time using the 'trace_event_get_state_backends' routine (see header
"trace/control.h" for more information).
=== "tcg" ===
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index 3ada35e954..267982e160 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -936,16 +936,18 @@ static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed,
return 1;
}
-#ifdef trace_event_get_state
static void ohci_td_pkt(const char *msg, const uint8_t *buf, size_t len)
{
- bool print16 = !!trace_event_get_state(TRACE_USB_OHCI_TD_PKT_SHORT);
- bool printall = !!trace_event_get_state(TRACE_USB_OHCI_TD_PKT_FULL);
+ bool print16;
+ bool printall;
const int width = 16;
int i;
char tmp[3 * width + 1];
char *p = tmp;
+ print16 = !!trace_event_get_state_backends(TRACE_USB_OHCI_TD_PKT_SHORT);
+ printall = !!trace_event_get_state_backends(TRACE_USB_OHCI_TD_PKT_FULL);
+
if (!printall && !print16) {
return;
}
@@ -967,11 +969,6 @@ static void ohci_td_pkt(const char *msg, const uint8_t *buf, size_t len)
p += sprintf(p, " %.2x", buf[i]);
}
}
-#else
-static void ohci_td_pkt(const char *msg, const uint8_t *buf, size_t len)
-{
-}
-#endif
/* Service a transport descriptor.
Returns nonzero to terminate processing of this endpoint. */
diff --git a/net/colo-compare.c b/net/colo-compare.c
index ca67c68615..5fe8e3fad9 100644
--- a/net/colo-compare.c
+++ b/net/colo-compare.c
@@ -188,7 +188,7 @@ static int packet_enqueue(CompareState *s, int mode)
*/
static int colo_packet_compare_common(Packet *ppkt, Packet *spkt, int offset)
{
- if (trace_event_get_state(TRACE_COLO_COMPARE_MISCOMPARE)) {
+ if (trace_event_get_state_backends(TRACE_COLO_COMPARE_MISCOMPARE)) {
char pri_ip_src[20], pri_ip_dst[20], sec_ip_src[20], sec_ip_dst[20];
strcpy(pri_ip_src, inet_ntoa(ppkt->ip->ip_src));
@@ -274,7 +274,8 @@ static int colo_packet_compare_tcp(Packet *spkt, Packet *ppkt)
res = -1;
}
- if (res != 0 && trace_event_get_state(TRACE_COLO_COMPARE_MISCOMPARE)) {
+ if (res != 0 &&
+ trace_event_get_state_backends(TRACE_COLO_COMPARE_MISCOMPARE)) {
char pri_ip_src[20], pri_ip_dst[20], sec_ip_src[20], sec_ip_dst[20];
strcpy(pri_ip_src, inet_ntoa(ppkt->ip->ip_src));
@@ -334,7 +335,7 @@ static int colo_packet_compare_udp(Packet *spkt, Packet *ppkt)
if (ret) {
trace_colo_compare_udp_miscompare("primary pkt size", ppkt->size);
trace_colo_compare_udp_miscompare("Secondary pkt size", spkt->size);
- if (trace_event_get_state(TRACE_COLO_COMPARE_MISCOMPARE)) {
+ if (trace_event_get_state_backends(TRACE_COLO_COMPARE_MISCOMPARE)) {
qemu_hexdump((char *)ppkt->data, stderr, "colo-compare pri pkt",
ppkt->size);
qemu_hexdump((char *)spkt->data, stderr, "colo-compare sec pkt",
@@ -371,7 +372,7 @@ static int colo_packet_compare_icmp(Packet *spkt, Packet *ppkt)
ppkt->size);
trace_colo_compare_icmp_miscompare("Secondary pkt size",
spkt->size);
- if (trace_event_get_state(TRACE_COLO_COMPARE_MISCOMPARE)) {
+ if (trace_event_get_state_backends(TRACE_COLO_COMPARE_MISCOMPARE)) {
qemu_hexdump((char *)ppkt->data, stderr, "colo-compare pri pkt",
ppkt->size);
qemu_hexdump((char *)spkt->data, stderr, "colo-compare sec pkt",
@@ -390,7 +391,7 @@ static int colo_packet_compare_icmp(Packet *spkt, Packet *ppkt)
static int colo_packet_compare_other(Packet *spkt, Packet *ppkt)
{
trace_colo_compare_main("compare other");
- if (trace_event_get_state(TRACE_COLO_COMPARE_MISCOMPARE)) {
+ if (trace_event_get_state_backends(TRACE_COLO_COMPARE_MISCOMPARE)) {
char pri_ip_src[20], pri_ip_dst[20], sec_ip_src[20], sec_ip_dst[20];
strcpy(pri_ip_src, inet_ntoa(ppkt->ip->ip_src));
diff --git a/net/filter-rewriter.c b/net/filter-rewriter.c
index 55a6cf56fd..98120095de 100644
--- a/net/filter-rewriter.c
+++ b/net/filter-rewriter.c
@@ -69,7 +69,7 @@ static int handle_primary_tcp_pkt(NetFilterState *nf,
struct tcphdr *tcp_pkt;
tcp_pkt = (struct tcphdr *)pkt->transport_header;
- if (trace_event_get_state(TRACE_COLO_FILTER_REWRITER_DEBUG)) {
+ if (trace_event_get_state_backends(TRACE_COLO_FILTER_REWRITER_DEBUG)) {
trace_colo_filter_rewriter_pkt_info(__func__,
inet_ntoa(pkt->ip->ip_src), inet_ntoa(pkt->ip->ip_dst),
ntohl(tcp_pkt->th_seq), ntohl(tcp_pkt->th_ack),
@@ -115,7 +115,7 @@ static int handle_secondary_tcp_pkt(NetFilterState *nf,
tcp_pkt = (struct tcphdr *)pkt->transport_header;
- if (trace_event_get_state(TRACE_COLO_FILTER_REWRITER_DEBUG)) {
+ if (trace_event_get_state_backends(TRACE_COLO_FILTER_REWRITER_DEBUG)) {
trace_colo_filter_rewriter_pkt_info(__func__,
inet_ntoa(pkt->ip->ip_src), inet_ntoa(pkt->ip->ip_dst),
ntohl(tcp_pkt->th_seq), ntohl(tcp_pkt->th_ack),
diff --git a/trace/control.h b/trace/control.h
index b931824d60..1903e22975 100644
--- a/trace/control.h
+++ b/trace/control.h
@@ -96,7 +96,7 @@ static const char * trace_event_get_name(TraceEvent *ev);
* trace_event_get_state:
* @id: Event identifier name.
*
- * Get the tracing state of an event (both static and dynamic).
+ * Get the tracing state of an event, both static and the QEMU dynamic state.
*
* If the event has the disabled property, the check will have no performance
* impact.
@@ -105,6 +105,22 @@ static const char * trace_event_get_name(TraceEvent *ev);
((id ##_ENABLED) && trace_event_get_state_dynamic_by_id(id))
/**
+ * trace_event_get_state_backends:
+ * @id: Event identifier name.
+ *
+ * Get the tracing state of an event, both static and dynamic state from all
+ * compiled-in backends.
+ *
+ * If the event has the disabled property, the check will have no performance
+ * impact.
+ *
+ * Returns: true if at least one backend has the event enabled and the event
+ * does not have the disabled property.
+ */
+#define trace_event_get_state_backends(id) \
+ ((id ##_ENABLED) && id ##_BACKEND_DSTATE())
+
+/**
* trace_event_get_vcpu_state:
* @vcpu: Target vCPU.
* @id: Event identifier name.
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-22 04:57:40 +0000