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Re: timevar: small tweaks
Re: timevar: small tweaks
Sun, 30 Sep 2018 19:37:17 +0200
KMail/5.1.3 (Linux/4.4.0-134-generic; KDE/5.18.0; x86_64; ; )
Thanks for the review.
> > - It is pointless to omit the parameter names from the function
> > declarations
> > if the comments talk about TIMEVAR, ELAPSED, FP, etc.
> Here, I don’t understand why you commented the argument names.
> It would be clearer with them uncommented.
This is my preference as well. I thought the argument names had been removed
to avoid compilation errors when people define 'elapsed', 'fp', etc. as
C macros in their compilation units.
> Also, maybe the extern C. I see several modules have it.
Good point, yes. In gnulib we add 'extern "C"' to header files upon request.
Feel free to add it.
> > If not, you should be listed as the
> > maintainer of the modules, so that people CC you when they have questions
> > or patches about it.
OK, pushed as follows:
2018-09-30 Bruno Haible <address@hidden>
timevar: Small tweaks.
* lib/timevar.h: Fix comments. Add parameter names to function
* lib/timevar.c: Include timevar.h immediately after config.h.
* lib/timevar.def: Fix comments.
* modules/timevar (Maintainer): List Akim Demaille.
diff --git a/lib/timevar.c b/lib/timevar.c
index 0578816..a2d2433 100644
@@ -20,6 +20,9 @@
+/* Specification. */
@@ -101,8 +104,6 @@ static float clocks_to_msec;
# define CLOCKS_TO_MSEC (1.0 / CLOCKS_PER_SEC)
/* See timevar.h for an explanation of timing variables. */
int timevar_enabled = 0;
diff --git a/lib/timevar.def b/lib/timevar.def
index e5cc3ff..d640b30 100644
@@ -24,21 +24,21 @@
- DEFTIMEVAR (Id, Name);
+ DEFTIMEVAR (Id, Name)
- Id is the value used to identify the timing variable.
- It's an enum value, i.e., behaves like a positive integer.
+ It's an enum value, i.e., behaves like a nonnegative integer.
It is used only the manipulate the timer: the user of the
program will never see this identifier.
- - Name is a character string describing its purpose. This string
+ - Name is a string describing its purpose. This string
will be presented to the user in the timing tables. It does not
need to be a literal, you may for instance use gettext.
The order of this list matters: that is the order in which the
- timing table is printed.
+ timing table is printed, except that 'tv_total' is printed last.
/* The total execution time. Mandatory. */
diff --git a/lib/timevar.h b/lib/timevar.h
index a3c4e86..88c4aa8 100644
@@ -1,4 +1,4 @@
-/* Timing variables for measuring compiler performance.
+/* Timing variables for measuring application performance.
Copyright (C) 2000, 2002, 2004, 2009-2015, 2018 Free Software
@@ -22,7 +22,7 @@
/* Timing variables are used to measure elapsed time in various
- portions of the compiler. Each measures elapsed user, system, and
+ portions of the application. Each measures elapsed user, system, and
wall-clock time, as appropriate to and supported by the host
@@ -86,7 +86,7 @@ void timevar_init (void);
TIMEVAR cannot be running as a standalone timer. */
-void timevar_push (timevar_id_t);
+void timevar_push (timevar_id_t timevar);
/* Pop the topmost timing variable element off the timing stack. The
popped variable must be TIMEVAR. Elapsed time since the that
@@ -94,28 +94,29 @@ void timevar_push (timevar_id_t);
stack when the element above it was popped off, is credited to that
timing variable. */
-void timevar_pop (timevar_id_t);
+void timevar_pop (timevar_id_t timevar);
/* Start timing TIMEVAR independently of the timing stack. Elapsed
time until timevar_stop is called for the same timing variable is
attributed to TIMEVAR. */
-void timevar_start (timevar_id_t);
+void timevar_start (timevar_id_t timevar);
/* Stop timing TIMEVAR. Time elapsed since timevar_start was called
is attributed to it. */
-void timevar_stop (timevar_id_t);
+void timevar_stop (timevar_id_t timevar);
/* Fill the elapsed time for TIMEVAR into ELAPSED. Returns
update-to-date information even if TIMEVAR is currently running. */
-void timevar_get (timevar_id_t, struct timevar_time_def *);
+void timevar_get (timevar_id_t timevar, struct timevar_time_def *elapsed);
/* Summarize timing variables to FP. The timing variable TV_TOTAL has
a special meaning -- it's considered to be the total elapsed time,
for normalizing the others, and is displayed last. */
-void timevar_print (FILE *);
+void timevar_print (FILE *fp);
/* Set to to nonzero to enable timing variables. */
extern int timevar_enabled;
diff --git a/modules/timevar b/modules/timevar
index 81a74b0..fdbbd6b 100644
@@ -2,8 +2,8 @@ Description:
A simple self-profiling module based on timers.
@@ -21,4 +21,4 @@ License:
+Akim Demaille <address@hidden>