Message ID | 20190508121058.27038-14-tvrtko.ursulin@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Media scalability tooling | expand |
Quoting Tvrtko Ursulin (2019-05-08 13:10:50) > From: Tvrtko Ursulin <tvrtko.ursulin@intel.com> > > Parsing an integer workload descriptor field is a common pattern which we > can extract to a helper macro and by doing so further improve the > readability of the main parsing loop. > > Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> > --- > benchmarks/gem_wsim.c | 80 ++++++++++++++----------------------------- > 1 file changed, 25 insertions(+), 55 deletions(-) > > diff --git a/benchmarks/gem_wsim.c b/benchmarks/gem_wsim.c > index 4dbfc3e922a9..c2e13d9939c2 100644 > --- a/benchmarks/gem_wsim.c > +++ b/benchmarks/gem_wsim.c > @@ -370,6 +370,15 @@ static int parse_engine_map(struct w_step *step, const char *_str) > return 0; > } > > +#define int_field(_STEP_, _FIELD_, _COND_, _ERR_) \ > + if ((field = strtok_r(fstart, ".", &fctx))) { \ > + tmp = atoi(field); \ > + check_arg(_COND_, _ERR_, nr_steps); \ > + step.type = _STEP_; \ > + step._FIELD_ = tmp; \ > + goto add_step; \ > + } \ More hidden control flow :-p Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> -Chris
On 10/05/2019 14:29, Chris Wilson wrote: > Quoting Tvrtko Ursulin (2019-05-08 13:10:50) >> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com> >> >> Parsing an integer workload descriptor field is a common pattern which we >> can extract to a helper macro and by doing so further improve the >> readability of the main parsing loop. >> >> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> >> --- >> benchmarks/gem_wsim.c | 80 ++++++++++++++----------------------------- >> 1 file changed, 25 insertions(+), 55 deletions(-) >> >> diff --git a/benchmarks/gem_wsim.c b/benchmarks/gem_wsim.c >> index 4dbfc3e922a9..c2e13d9939c2 100644 >> --- a/benchmarks/gem_wsim.c >> +++ b/benchmarks/gem_wsim.c >> @@ -370,6 +370,15 @@ static int parse_engine_map(struct w_step *step, const char *_str) >> return 0; >> } >> >> +#define int_field(_STEP_, _FIELD_, _COND_, _ERR_) \ >> + if ((field = strtok_r(fstart, ".", &fctx))) { \ >> + tmp = atoi(field); \ >> + check_arg(_COND_, _ERR_, nr_steps); \ >> + step.type = _STEP_; \ >> + step._FIELD_ = tmp; \ >> + goto add_step; \ >> + } \ > > More hidden control flow :-p It's not the pretties I admit. It started as a quick project to test feasibility of userspace balancing and when it has shown itself somewhat useful I added more and more features to it. It's at the point where splitting int separate files and refactoring the data structures could be beneficial. > Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Thanks, Tvrtko
diff --git a/benchmarks/gem_wsim.c b/benchmarks/gem_wsim.c index 4dbfc3e922a9..c2e13d9939c2 100644 --- a/benchmarks/gem_wsim.c +++ b/benchmarks/gem_wsim.c @@ -370,6 +370,15 @@ static int parse_engine_map(struct w_step *step, const char *_str) return 0; } +#define int_field(_STEP_, _FIELD_, _COND_, _ERR_) \ + if ((field = strtok_r(fstart, ".", &fctx))) { \ + tmp = atoi(field); \ + check_arg(_COND_, _ERR_, nr_steps); \ + step.type = _STEP_; \ + step._FIELD_ = tmp; \ + goto add_step; \ + } \ + static struct workload * parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w) { @@ -397,25 +406,11 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w) fstart = NULL; if (!strcmp(field, "d")) { - if ((field = strtok_r(fstart, ".", &fctx))) { - tmp = atoi(field); - check_arg(tmp <= 0, - "Invalid delay at step %u!\n", - nr_steps); - step.type = DELAY; - step.delay = tmp; - goto add_step; - } + int_field(DELAY, delay, tmp <= 0, + "Invalid delay at step %u!\n"); } else if (!strcmp(field, "p")) { - if ((field = strtok_r(fstart, ".", &fctx))) { - tmp = atoi(field); - check_arg(tmp <= 0, - "Invalid period at step %u!\n", - nr_steps); - step.type = PERIOD; - step.period = tmp; - goto add_step; - } + int_field(PERIOD, period, tmp <= 0, + "Invalid period at step %u!\n"); } else if (!strcmp(field, "P")) { unsigned int nr = 0; while ((field = strtok_r(fstart, ".", &fctx))) { @@ -438,46 +433,21 @@ parse_workload(struct w_arg *arg, unsigned int flags, struct workload *app_w) step.type = CTX_PRIORITY; goto add_step; } else if (!strcmp(field, "s")) { - if ((field = strtok_r(fstart, ".", &fctx))) { - tmp = atoi(field); - 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; - } + int_field(SYNC, target, + tmp >= 0 || ((int)nr_steps + tmp) < 0, + "Invalid sync target at step %u!\n"); } else if (!strcmp(field, "t")) { - if ((field = strtok_r(fstart, ".", &fctx))) { - tmp = atoi(field); - check_arg(tmp < 0, - "Invalid throttle at step %u!\n", - nr_steps); - step.type = THROTTLE; - step.throttle = tmp; - goto add_step; - } + int_field(THROTTLE, throttle, + tmp < 0, + "Invalid throttle at step %u!\n"); } else if (!strcmp(field, "q")) { - if ((field = strtok_r(fstart, ".", &fctx))) { - tmp = atoi(field); - check_arg(tmp < 0, - "Invalid qd throttle at step %u!\n", - nr_steps); - step.type = QD_THROTTLE; - step.throttle = tmp; - goto add_step; - } + int_field(QD_THROTTLE, throttle, + tmp < 0, + "Invalid qd throttle at step %u!\n"); } else if (!strcmp(field, "a")) { - if ((field = strtok_r(fstart, ".", &fctx))) { - tmp = atoi(field); - 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; - } + int_field(SW_FENCE_SIGNAL, target, + tmp >= 0, + "Invalid sw fence signal at step %u!\n"); } else if (!strcmp(field, "f")) { step.type = SW_FENCE; goto add_step;