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Translate user-facing runtime output to English, machine prefixes preserved, + CLI output test (#67, #85)

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* feat: standardize runtime output in English

* test: cover English CLI output
This commit is contained in:
Sidd
2026-07-12 17:08:40 +05:30
committed by GitHub
parent 6e7aa6f92e
commit 2416bc9079
24 changed files with 330 additions and 280 deletions
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c/iobench.c
+5 -5
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@@ -18,26 +18,26 @@
#endif
static double now(){ struct timespec t; clock_gettime(CLOCK_MONOTONIC,&t); return t.tv_sec+t.tv_nsec*1e-9; }
int main(int argc,char**argv){
if(argc<2){fprintf(stderr,"uso: %s file [blkMB] [n] [threads] [direct 0/1]\n",argv[0]);return 1;}
if(argc<2){fprintf(stderr,"usage: %s file [blkMB] [n] [threads] [direct 0/1]\n",argv[0]);return 1;}
long blk=(argc>2?atol(argv[2]):19)*1024*1024;
int n=argc>3?atoi(argv[3]):64;
int nth=argc>4?atoi(argv[4]):8;
int direct=argc>5?atoi(argv[5]):1;
#ifdef O_DIRECT
int fd=open(argv[1],O_RDONLY|(direct?O_DIRECT:0));
if(fd<0 && direct){ fprintf(stderr,"O_DIRECT non disponibile (%s), uso buffered\n",strerror(errno));
if(fd<0 && direct){ fprintf(stderr,"O_DIRECT is unavailable (%s); using buffered I/O\n",strerror(errno));
direct=0; fd=open(argv[1],O_RDONLY); }
#else
int fd=open(argv[1],O_RDONLY); /* macOS: F_NOCACHE ~ O_DIRECT */
#ifdef __APPLE__
if(direct && fd>=0) fcntl(fd,F_NOCACHE,1);
#else
if(direct){ fprintf(stderr,"O_DIRECT non disponibile, uso buffered\n"); direct=0; }
if(direct){ fprintf(stderr,"O_DIRECT is unavailable; using buffered I/O\n"); direct=0; }
#endif
#endif
if(fd<0){perror("open");return 1;}
off_t sz=lseek(fd,0,SEEK_END);
if(sz<blk*2){fprintf(stderr,"file troppo piccolo\n");return 1;}
if(sz<blk*2){fprintf(stderr,"file is too small\n");return 1;}
/* offset random pre-generati (stessi per ogni configurazione: srand fisso).
* 30 bit di rand combinati: su Windows RAND_MAX=32767 e un singolo rand()*4096
* copre solo i primi 134 MB del file (tutti in page cache = misura falsa). */
@@ -55,7 +55,7 @@ int main(int argc,char**argv){
compat_aligned_free(buf); /* su Windows posix_memalign=_aligned_malloc: free() corrompe l'heap */
}
double dt=now()-t0;
printf("%s x%d thread: %d letture x %ldMB = %.1f GB in %.2fs -> %.2f GB/s (%.1f ms/blocco effettivi)\n",
printf("%s x%d threads: %d reads x %ldMB = %.1f GB in %.2fs -> %.2f GB/s (%.1f effective ms/block)\n",
direct?"O_DIRECT":"buffered", nth, n, blk/1024/1024, tot/1e9, dt, tot/1e9/dt, dt/n*1000);
close(fd); free(offs); return 0;
}