From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
There is a repeated pattern with error handling which can be moved to a
macro to for better readability in the command parsing loop.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
benchmarks/gem_wsim.c | 244 +++++++++++++++---------------------------
1 file changed, 88 insertions(+), 156 deletions(-)
diff --git a/benchmarks/gem_wsim.c b/benchmarks/gem_wsim.c
index 2561817622f6..a6ee6c493424 100644
--- a/benchmarks/gem_wsim.c
+++ b/benchmarks/gem_wsim.c
@@ -290,6 +290,27 @@ parse_dependencies(unsigned int nr_steps, struct w_step *w, char *_desc)
return 0;
}
+static void __attribute__((format(printf, 1, 2)))
+wsim_err(const char *fmt, ...)
+{
+ va_list ap;
+
+ if (!verbose)
+ return;
+
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+}
+
+#define check_arg(cond, fmt, ...) \
+{ \
+ if (cond) { \
+ wsim_err(fmt, __VA_ARGS__); \
+ return NULL; \
+ } \
+}
+
static struct workload *
parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
{
@@ -320,14 +341,9 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
if ((field = strtok_r(fstart, ".", &fctx)) !=
NULL) {
tmp = atoi(field);
- if (tmp <= 0) {
- if (verbose)
- fprintf(stderr,
- "Invalid delay at step %u!\n",
- nr_steps);
- return NULL;
- }
-
+ check_arg(tmp <= 0,
+ "Invalid delay at step %u!\n",
+ nr_steps);
step.type = DELAY;
step.delay = tmp;
goto add_step;
@@ -336,14 +352,9 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
if ((field = strtok_r(fstart, ".", &fctx)) !=
NULL) {
tmp = atoi(field);
- if (tmp <= 0) {
- if (verbose)
- fprintf(stderr,
- "Invalid period at step %u!\n",
- nr_steps);
- return NULL;
- }
-
+ check_arg(tmp <= 0,
+ "Invalid period at step %u!\n",
+ nr_steps);
step.type = PERIOD;
step.period = tmp;
goto add_step;
@@ -353,25 +364,17 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
while ((field = strtok_r(fstart, ".", &fctx)) !=
NULL) {
tmp = atoi(field);
- if (tmp <= 0 && nr == 0) {
- if (verbose)
- fprintf(stderr,
- "Invalid context at step %u!\n",
- nr_steps);
- return NULL;
- }
-
- if (nr == 0) {
+ check_arg(nr == 0 && tmp <= 0,
+ "Invalid context at step %u!\n",
+ nr_steps);
+ check_arg(nr > 1,
+ "Invalid priority format at step %u!\n",
+ nr_steps);
+
+ if (nr == 0)
step.context = tmp;
- } else if (nr == 1) {
+ else
step.priority = tmp;
- } else {
- if (verbose)
- fprintf(stderr,
- "Invalid priority format at step %u!\n",
- nr_steps);
- return NULL;
- }
nr++;
}
@@ -382,15 +385,10 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
if ((field = strtok_r(fstart, ".", &fctx)) !=
NULL) {
tmp = atoi(field);
- if (tmp >= 0 ||
- ((int)nr_steps + tmp) < 0) {
- if (verbose)
- fprintf(stderr,
- "Invalid sync target at step %u!\n",
- nr_steps);
- return NULL;
- }
-
+ check_arg(tmp >= 0 ||
+ ((int)nr_steps + tmp) < 0,
+ "Invalid sync target at step %u!\n",
+ nr_steps);
step.type = SYNC;
step.target = tmp;
goto add_step;
@@ -399,14 +397,9 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
if ((field = strtok_r(fstart, ".", &fctx)) !=
NULL) {
tmp = atoi(field);
- if (tmp < 0) {
- if (verbose)
- fprintf(stderr,
- "Invalid throttle at step %u!\n",
- nr_steps);
- return NULL;
- }
-
+ check_arg(tmp < 0,
+ "Invalid throttle at step %u!\n",
+ nr_steps);
step.type = THROTTLE;
step.throttle = tmp;
goto add_step;
@@ -415,14 +408,9 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
if ((field = strtok_r(fstart, ".", &fctx)) !=
NULL) {
tmp = atoi(field);
- if (tmp < 0) {
- if (verbose)
- fprintf(stderr,
- "Invalid qd throttle at step %u!\n",
- nr_steps);
- return NULL;
- }
-
+ check_arg(tmp < 0,
+ "Invalid qd throttle at step %u!\n",
+ nr_steps);
step.type = QD_THROTTLE;
step.throttle = tmp;
goto add_step;
@@ -431,14 +419,9 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
if ((field = strtok_r(fstart, ".", &fctx)) !=
NULL) {
tmp = atoi(field);
- if (tmp >= 0) {
- if (verbose)
- fprintf(stderr,
- "Invalid sw fence signal at step %u!\n",
- nr_steps);
- return NULL;
- }
-
+ check_arg(tmp >= 0,
+ "Invalid sw fence signal at step %u!\n",
+ nr_steps);
step.type = SW_FENCE_SIGNAL;
step.target = tmp;
goto add_step;
@@ -451,31 +434,20 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
while ((field = strtok_r(fstart, ".", &fctx)) !=
NULL) {
tmp = atoi(field);
- if (tmp <= 0 && nr == 0) {
- if (verbose)
- fprintf(stderr,
- "Invalid context at step %u!\n",
- nr_steps);
- return NULL;
- } else if (tmp < 0 && nr == 1) {
- if (verbose)
- fprintf(stderr,
- "Invalid preemption period at step %u!\n",
- nr_steps);
- return NULL;
- }
-
- if (nr == 0) {
+ check_arg(nr == 0 && tmp <= 0,
+ "Invalid context at step %u!\n",
+ nr_steps);
+ check_arg(nr == 1 && tmp < 0,
+ "Invalid preemption period at step %u!\n",
+ nr_steps);
+ check_arg(nr > 1,
+ "Invalid preemption format at step %u!\n",
+ nr_steps);
+
+ if (nr == 0)
step.context = tmp;
- } else if (nr == 1) {
+ else
step.period = tmp;
- } else {
- if (verbose)
- fprintf(stderr,
- "Invalid preemption format at step %u!\n",
- nr_steps);
- return NULL;
- }
nr++;
}
@@ -485,13 +457,8 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
}
tmp = atoi(field);
- if (tmp < 0) {
- if (verbose)
- fprintf(stderr,
- "Invalid ctx id at step %u!\n",
- nr_steps);
- return NULL;
- }
+ check_arg(tmp < 0, "Invalid ctx id at step %u!\n",
+ nr_steps);
step.context = tmp;
valid++;
@@ -512,13 +479,8 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
}
}
- if (old_valid == valid) {
- if (verbose)
- fprintf(stderr,
- "Invalid engine id at step %u!\n",
- nr_steps);
- return NULL;
- }
+ check_arg(old_valid == valid,
+ "Invalid engine id at step %u!\n", nr_steps);
}
if ((field = strtok_r(fstart, ".", &fctx)) != NULL) {
@@ -528,25 +490,19 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
fstart = NULL;
tmpl = strtol(field, &sep, 10);
- if (tmpl <= 0 || tmpl == LONG_MIN || tmpl == LONG_MAX) {
- if (verbose)
- fprintf(stderr,
- "Invalid duration at step %u!\n",
- nr_steps);
- return NULL;
- }
+ check_arg(tmpl <= 0 || tmpl == LONG_MIN ||
+ tmpl == LONG_MAX,
+ "Invalid duration at step %u!\n", nr_steps);
step.duration.min = tmpl;
if (sep && *sep == '-') {
tmpl = strtol(sep + 1, NULL, 10);
- if (tmpl <= 0 || tmpl <= step.duration.min ||
- tmpl == LONG_MIN || tmpl == LONG_MAX) {
- if (verbose)
- fprintf(stderr,
- "Invalid duration range at step %u!\n",
- nr_steps);
- return NULL;
- }
+ check_arg(tmpl <= 0 ||
+ tmpl <= step.duration.min ||
+ tmpl == LONG_MIN ||
+ tmpl == LONG_MAX,
+ "Invalid duration range at step %u!\n",
+ nr_steps);
step.duration.max = tmpl;
} else {
step.duration.max = step.duration.min;
@@ -559,13 +515,8 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
fstart = NULL;
tmp = parse_dependencies(nr_steps, &step, field);
- if (tmp < 0) {
- if (verbose)
- fprintf(stderr,
- "Invalid dependency at step %u!\n",
- nr_steps);
- return NULL;
- }
+ check_arg(tmp < 0,
+ "Invalid dependency at step %u!\n", nr_steps);
valid++;
}
@@ -573,25 +524,16 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w)
if ((field = strtok_r(fstart, ".", &fctx)) != NULL) {
fstart = NULL;
- if (strlen(field) != 1 ||
- (field[0] != '0' && field[0] != '1')) {
- if (verbose)
- fprintf(stderr,
- "Invalid wait boolean at step %u!\n",
- nr_steps);
- return NULL;
- }
+ check_arg(strlen(field) != 1 ||
+ (field[0] != '0' && field[0] != '1'),
+ "Invalid wait boolean at step %u!\n",
+ nr_steps);
step.sync = field[0] - '0';
valid++;
}
- if (valid != 5) {
- if (verbose)
- fprintf(stderr, "Invalid record at step %u!\n",
- nr_steps);
- return NULL;
- }
+ check_arg(valid != 5, "Invalid record at step %u!\n", nr_steps);
step.type = BATCH;
@@ -636,15 +578,10 @@ add_step:
for (i = 0; i < nr_steps; i++) {
for (j = 0; j < steps[i].fence_deps.nr; j++) {
tmp = steps[i].idx + steps[i].fence_deps.list[j];
- if (tmp < 0 || tmp >= i ||
- (steps[tmp].type != BATCH &&
- steps[tmp].type != SW_FENCE)) {
- if (verbose)
- fprintf(stderr,
- "Invalid dependency target %u!\n",
- i);
- return NULL;
- }
+ check_arg(tmp < 0 || tmp >= i ||
+ (steps[tmp].type != BATCH &&
+ steps[tmp].type != SW_FENCE),
+ "Invalid dependency target %u!\n", i);
steps[tmp].emit_fence = -1;
}
}
@@ -653,14 +590,9 @@ add_step:
for (i = 0; i < nr_steps; i++) {
if (steps[i].type == SW_FENCE_SIGNAL) {
tmp = steps[i].idx + steps[i].target;
- if (tmp < 0 || tmp >= i ||
- steps[tmp].type != SW_FENCE) {
- if (verbose)
- fprintf(stderr,
- "Invalid sw fence target %u!\n",
- i);
- return NULL;
- }
+ check_arg(tmp < 0 || tmp >= i ||
+ steps[tmp].type != SW_FENCE,
+ "Invalid sw fence target %u!\n", i);
}
}
--
2.17.1
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