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gpmu:nvgpu: Falcon debug prints.

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Display the Falcon Trace prints in the right format.
Embedd the parameters in the string instead of printing it separately.

Bug NA

Change-Id: Ia61fc43384cf6e44a867c7aa9cbb828127146099
Signed-off-by: Vaikundanathan S <vaikuns@nvidia.com>
Reviewed-on: http://git-master/r/488757
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Vaikundanathan S
2014-08-27 16:43:35 +05:30
committed by Dan Willemsen
parent 82e01758f0
commit 8a17d05363
1 changed files with 42 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
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@@ -170,11 +170,22 @@ static void set_pmu_cmdline_args_falctracesize_v1(
pmu->args_v1.falc_trace_size = size;
}
int find_hex_in_string(char *strings, struct gk20a *g)
{
u32 i = 0, j = strlen(strings);
for (; i < j; i++) {
if (strings[i] == '%')
if (strings[i + 1] == 'x' || strings[i + 1] == 'X')
return i;
}
return 0xFF;
}
void printtrace(struct pmu_gk20a *pmu)
{
u32 i = 0, j = 0;
u32 i = 0, j = 0, k, l, m, count;
char *trace = pmu->trace_buf.cpuva;
char part_str[40], buf[0x40];
u32 *trace1 = pmu->trace_buf.cpuva;
struct gk20a *g = gk20a_from_pmu(pmu);
gk20a_err(dev_from_gk20a(g), "Dump pmutrace");
@@ -184,13 +195,21 @@ void printtrace(struct pmu_gk20a *pmu)
break;
if (j == 0x40)
return;
gk20a_err(dev_from_gk20a(g), "Index %d: ",
trace1[(i / 4)]);
gk20a_err(dev_from_gk20a(g),
"Params: 0x%x 0x%x 0x%x 0x%x Message: ",
trace1[(i / 4) + 1], trace1[(i / 4) + 2],
trace1[(i / 4) + 3], trace1[(i / 4) + 4]);
gk20a_err(dev_from_gk20a(g), "%s", (trace+i+20));
count = scnprintf(buf, 0x40, "Index %x: ", trace1[(i / 4)]);
k = find_hex_in_string((trace+i+20), g);
l = 0;
m = 0;
while (k < 0xFF) {
strncpy(part_str, (trace+i+20+m), k);
part_str[k] = 0;
count += scnprintf((buf + count), 0x40, "%s0x%x",
part_str, trace1[(i / 4) + 1 + l]);
l++;
m += k + 2;
k = find_hex_in_string((trace+i+20+m), g);
}
count += scnprintf((buf + count), 0x40, "%s", (trace+i+20+m));
gk20a_err(dev_from_gk20a(g), "%s", buf);
}
}
@@ -3979,8 +3998,9 @@ static int falc_trace_show(struct seq_file *s, void *data)
{
struct gk20a *g = s->private;
struct pmu_gk20a *pmu = &g->pmu;
u32 i = 0, j = 0;
u32 i = 0, j = 0, k, l, m;
char *trace = pmu->trace_buf.cpuva;
char part_str[40];
u32 *trace1 = pmu->trace_buf.cpuva;
for (i = 0; i < GK20A_PMU_TRACE_BUFSIZE; i += 0x40) {
for (j = 0; j < 0x40; j++)
@@ -3989,10 +4009,19 @@ static int falc_trace_show(struct seq_file *s, void *data)
if (j == 0x40)
return 0;
seq_printf(s, "Index %x: ", trace1[(i / 4)]);
seq_printf(s, "Params: 0x%x 0x%x 0x%x 0x%x Message: ",
trace1[(i / 4) + 1], trace1[(i / 4) + 2],
trace1[(i / 4) + 3], trace1[(i / 4) + 4]);
seq_printf(s, "%s", (trace+i+20));
k = find_hex_in_string((trace+i+20), g);
l = 0;
m = 0;
while (k < 0xFF) {
strncpy(part_str, (trace+i+20+m), k);
part_str[k] = 0;
seq_printf(s, "%s0x%x", part_str,
trace1[(i / 4) + 1 + l]);
l++;
m += k + 2;
k = find_hex_in_string((trace+i+20+m), g);
}
seq_printf(s, "%s", (trace+i+20+m));
}
return 0;
}