aboutsummaryrefslogtreecommitdiff
path: root/cmd/iotrace.c
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/iotrace.c')
-rw-r--r--cmd/iotrace.c43
1 files changed, 39 insertions, 4 deletions
diff --git a/cmd/iotrace.c b/cmd/iotrace.c
index 601b8c8e32..fa6c68b198 100644
--- a/cmd/iotrace.c
+++ b/cmd/iotrace.c
@@ -9,12 +9,13 @@
static void do_print_stats(void)
{
- ulong start, size, offset, count;
+ ulong start, size, needed_size, offset, count;
printf("iotrace is %sabled\n", iotrace_get_enabled() ? "en" : "dis");
- iotrace_get_buffer(&start, &size, &offset, &count);
+ iotrace_get_buffer(&start, &size, &needed_size, &offset, &count);
printf("Start: %08lx\n", start);
- printf("Size: %08lx\n", size);
+ printf("Actual Size: %08lx\n", size);
+ printf("Needed Size: %08lx\n", needed_size);
iotrace_get_region(&start, &size);
printf("Region: %08lx\n", start);
printf("Size: %08lx\n", size);
@@ -24,6 +25,36 @@ static void do_print_stats(void)
printf("CRC32: %08lx\n", (ulong)iotrace_get_checksum());
}
+static void do_print_trace(void)
+{
+ ulong start, size, needed_size, offset, count;
+
+ struct iotrace_record *cur_record;
+
+ iotrace_get_buffer(&start, &size, &needed_size, &offset, &count);
+
+ if (!start || !size || !count)
+ return;
+
+ printf("Timestamp Value Address\n");
+
+ cur_record = (struct iotrace_record *)start;
+ for (int i = 0; i < count; i++) {
+ if (cur_record->flags & IOT_WRITE)
+ printf("%08llu: 0x%08lx --> 0x%08llx\n",
+ cur_record->timestamp,
+ cur_record->value,
+ (unsigned long long)cur_record->addr);
+ else
+ printf("%08llu: 0x%08lx <-- 0x%08llx\n",
+ cur_record->timestamp,
+ cur_record->value,
+ (unsigned long long)cur_record->addr);
+
+ cur_record++;
+ }
+}
+
static int do_set_buffer(int argc, char * const argv[])
{
ulong addr = 0, size = 0;
@@ -76,6 +107,9 @@ int do_iotrace(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
case 's':
do_print_stats();
break;
+ case 'd':
+ do_print_trace();
+ break;
default:
return CMD_RET_USAGE;
}
@@ -90,5 +124,6 @@ U_BOOT_CMD(
"iotrace buffer <address> <size> - set iotrace buffer\n"
"iotrace limit <address> <size> - set iotrace region limit\n"
"iotrace pause - pause tracing\n"
- "iotrace resume - resume tracing"
+ "iotrace resume - resume tracing\n"
+ "iotrace dump - dump iotrace buffer"
);