[Qemu-devel] [PATCH v2 07/10] trace: qemu_(put|get)_(byte|buffer) events

[Michael Roth <mdroth@linux.vnet.ibm.com>]

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 qemu-file.c  |   13 +++++++++++++
 trace-events |   18 ++++++++++++++++++
 2 files changed, 31 insertions(+), 0 deletions(-)

diff --git a/qemu-file.c b/qemu-file.c
index cdfe8a3..89b58be 100644
--- a/qemu-file.c
+++ b/qemu-file.c
@@ -27,6 +27,7 @@
 #include "hw/hw.h"
 #include "qapi/qemu-file-output-visitor.h"
 #include "qapi/qemu-file-input-visitor.h"
+#include "trace.h"
 
 #define IO_BUF_SIZE 32768
 
@@ -454,6 +455,8 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
 {
     int l;
 
+    trace_qemu_put_buffer(f, buf, size);
+
     if (!f->last_error && f->is_write == 0 && f->buf_index > 0) {
         fprintf(stderr,
                 "Attempted to write to buffer while read buffer is not empty\n");
@@ -484,6 +487,7 @@ void qemu_put_byte(QEMUFile *f, int v)
         abort();
     }
 
+    trace_qemu_put_byte(f, v & 0xff);
     f->buf[f->buf_index++] = v;
     f->is_write = 1;
     if (f->buf_index >= IO_BUF_SIZE) {
@@ -531,6 +535,8 @@ int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
     int pending = size;
     int done = 0;
 
+    trace_qemu_get_buffer(f, buf, size);
+
     while (pending > 0) {
         int res;
 
@@ -570,6 +576,7 @@ int qemu_get_byte(QEMUFile *f)
 
     result = qemu_peek_byte(f, 0);
     qemu_file_skip(f, 1);
+    trace_qemu_get_byte(f, result);
     return result;
 }
 
@@ -632,6 +639,7 @@ void qemu_put_be16(QEMUFile *f, unsigned int v)
 {
     qemu_put_byte(f, v >> 8);
     qemu_put_byte(f, v);
+    trace_qemu_put_be16(f, v);
 }
 
 void qemu_put_be32(QEMUFile *f, unsigned int v)
@@ -640,12 +648,14 @@ void qemu_put_be32(QEMUFile *f, unsigned int v)
     qemu_put_byte(f, v >> 16);
     qemu_put_byte(f, v >> 8);
     qemu_put_byte(f, v);
+    trace_qemu_put_be32(f, v);
 }
 
 void qemu_put_be64(QEMUFile *f, uint64_t v)
 {
     qemu_put_be32(f, v >> 32);
     qemu_put_be32(f, v);
+    trace_qemu_put_be64(f, v);
 }
 
 unsigned int qemu_get_be16(QEMUFile *f)
@@ -653,6 +663,7 @@ unsigned int qemu_get_be16(QEMUFile *f)
     unsigned int v;
     v = qemu_get_byte(f) << 8;
     v |= qemu_get_byte(f);
+    trace_qemu_get_be16(f, v);
     return v;
 }
 
@@ -663,6 +674,7 @@ unsigned int qemu_get_be32(QEMUFile *f)
     v |= qemu_get_byte(f) << 16;
     v |= qemu_get_byte(f) << 8;
     v |= qemu_get_byte(f);
+    trace_qemu_get_be32(f, v);
     return v;
 }
 
@@ -671,5 +683,6 @@ uint64_t qemu_get_be64(QEMUFile *f)
     uint64_t v;
     v = (uint64_t)qemu_get_be32(f) << 32;
     v |= qemu_get_be32(f);
+    trace_qemu_get_be64(f, v);
     return v;
 }
diff --git a/trace-events b/trace-events
index 820b1d6..6e36266 100644
--- a/trace-events
+++ b/trace-events
@@ -624,3 +624,21 @@ win_helper_no_switch_pstate(uint32_t new_pstate_regs) "change_pstate: regs new=%
 win_helper_wrpil(uint32_t psrpil, uint32_t new_pil) "old=%x new=%x"
 win_helper_done(uint32_t tl) "tl=%d"
 win_helper_retry(uint32_t tl) "tl=%d"
+
+# qemu-file.c
+qemu_put_buffer(void *f, const uint8_t *buf, int size) "file=%p, buf=%p, size=%d"
+qemu_get_buffer(void *f, const uint8_t *buf, int size) "file=%p, buf=%p, size=%d"
+qemu_put_byte(void *f, int val) "file=%p, val=0x%x"
+qemu_get_byte(void *f, int val) "file=%p, val=0x%x"
+qemu_put_be16(void *f, unsigned int v) "file=%p, val=0x%x"
+qemu_get_be16(void *f, unsigned int v) "file=%p, val=0x%x"
+qemu_put_be32(void *f, unsigned int v) "file=%p, val=0x%x"
+qemu_get_be32(void *f, unsigned int v) "file=%p, val=0x%x"
+qemu_put_be64(void *f, uint64_t v) "file=%p, val=0x%"PRIx64
+qemu_get_be64(void *f, uint64_t v) "file=%p, val=0x%"PRIx64
+qemu_put_sbe16(void *f, int v) "file=%p, val=0x%x"
+qemu_get_sbe16(void *f, int v) "file=%p, val=0x%x"
+qemu_put_sbe32(void *f, int v) "file=%p, val=0x%x"
+qemu_get_sbe32(void *f, int v) "file=%p, val=0x%x"
+qemu_put_sbe64(void *f, int64_t v) "file=%p, val=0x%"PRIx64
+qemu_get_sbe64(void *f, int64_t v) "file=%p, val=0x%"PRIx64
-- 
1.7.4.1