diff options
Diffstat (limited to 'procps/top.c')
| -rw-r--r-- | procps/top.c | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/procps/top.c b/procps/top.c index 7043d3e6a..be8ac195b 100644 --- a/procps/top.c +++ b/procps/top.c @@ -30,12 +30,12 @@ #include "busybox.h" -//#define CONFIG_FEATURE_TOP_CPU_USAGE_PERCENTAGE /* + 2k */ - typedef int (*cmp_t)(procps_status_t *P, procps_status_t *Q); static procps_status_t *top; /* Hehe */ static int ntop; +static unsigned option_mask; +#define OPT_BATCH_MODE (option_mask & 0x4) #ifdef CONFIG_FEATURE_USE_TERMIOS static int pid_sort(procps_status_t *P, procps_status_t *Q) @@ -251,9 +251,11 @@ static unsigned long display_generic(int scr_width) snprintf(scrbuf, scr_width, "Mem: %ldK used, %ldK free, %ldK shrd, %ldK buff, %ldK cached", used, mfree, shared, buffers, cached); - printf("\e[H\e[J%s\n", scrbuf); + + printf(OPT_BATCH_MODE ? "%s\n" : "\e[H\e[J%s\n", scrbuf); + snprintf(scrbuf, scr_width, - "Load average: %s (Status: S=sleeping R=running, W=waiting)", buf); + "Load average: %s", buf); printf("%s\n", scrbuf); return total; @@ -276,12 +278,12 @@ static void display_status(int count, int scr_width) unsigned pcpu_shift, pcpu_scale; /* what info of the processes is shown */ - printf("\e[7m%.*s\e[0m", scr_width, + printf(OPT_BATCH_MODE ? "%.*s" : "\e[7m%.*s\e[0m", scr_width, " PID USER STATUS RSS PPID %CPU %MEM COMMAND"); #define MIN_WIDTH \ sizeof( " PID USER STATUS RSS PPID %CPU %MEM C") #else - printf("\e[7m%.*s\e[0m", scr_width, + printf(OPT_BATCH_MODE ? "%.*s" : "\e[7m%.*s\e[0m", scr_width, " PID USER STATUS RSS PPID %MEM COMMAND"); #define MIN_WIDTH \ sizeof( " PID USER STATUS RSS PPID %MEM C") @@ -320,9 +322,9 @@ static void display_status(int count, int scr_width) } /* printf(" pmem_scale=%u pcpu_scale=%u ", pmem_scale, pcpu_scale); */ #endif - - while (count--) { - div_t pmem = div( (s->rss*pmem_scale) >> pmem_shift, 10); + if (OPT_BATCH_MODE) count--; + while (count-- > 0) { + div_t pmem = div((s->rss*pmem_scale) >> pmem_shift, 10); int col = scr_width+1; USE_FEATURE_TOP_CPU_USAGE_PERCENTAGE(div_t pcpu;) @@ -343,7 +345,7 @@ static void display_status(int count, int scr_width) s++; } /* printf(" %d", hist_iterations); */ - putchar('\r'); + putchar(OPT_BATCH_MODE ? '\n' : '\r'); fflush(stdout); } @@ -382,8 +384,10 @@ static void sig_catcher(int sig ATTRIBUTE_UNUSED) int top_main(int argc, char **argv) { - int opt, interval, lines, col; - char *sinterval; + int count, lines, col; + int interval = 5; /* default update rate is 5 seconds */ + int iterations = -1; /* 2^32 iterations by default :) */ + char *sinterval, *siterations; #ifdef CONFIG_FEATURE_USE_TERMIOS struct termios new_settings; struct timeval tv; @@ -393,9 +397,12 @@ int top_main(int argc, char **argv) /* do normal option parsing */ interval = 5; - opt = bb_getopt_ulflags(argc, argv, "d:", &sinterval); - if (opt & 1) - interval = atoi(sinterval); + bb_opt_complementally = "-"; + option_mask = bb_getopt_ulflags(argc, argv, "d:n:b", + &sinterval, &siterations); + if (option_mask & 0x1) interval = atoi(sinterval); // -d + if (option_mask & 0x2) iterations = atoi(siterations); // -n + //if (option_mask & 0x4) // -b /* change to /proc */ xchdir("/proc"); @@ -456,12 +463,12 @@ int top_main(int argc, char **argv) #else qsort(top, ntop, sizeof(procps_status_t), (void*)sort_function); #endif /* CONFIG_FEATURE_TOP_CPU_USAGE_PERCENTAGE */ - opt = lines; - if (opt > ntop) { - opt = ntop; + count = lines; + if (count > ntop) { + count = ntop; } /* show status for each of the processes */ - display_status(opt, col); + display_status(count, col); #ifdef CONFIG_FEATURE_USE_TERMIOS tv.tv_sec = interval; tv.tv_usec = 0; @@ -503,6 +510,8 @@ int top_main(int argc, char **argv) #endif } } + if (!--iterations) + break; #else sleep(interval); #endif /* CONFIG_FEATURE_USE_TERMIOS */ |