diff options
Diffstat (limited to 'progress.c')
| -rw-r--r-- | progress.c | 64 |
1 files changed, 39 insertions, 25 deletions
diff --git a/progress.c b/progress.c index a963bd8bfc..0700dcf24a 100644 --- a/progress.c +++ b/progress.c @@ -14,11 +14,12 @@ #define TP_IDX_MAX 8 struct throughput { + off_t curr_total; off_t prev_total; struct timeval prev_tv; unsigned int avg_bytes; - unsigned int last_bytes[TP_IDX_MAX]; unsigned int avg_misecs; + unsigned int last_bytes[TP_IDX_MAX]; unsigned int last_misecs[TP_IDX_MAX]; unsigned int idx; char display[32]; @@ -109,6 +110,30 @@ static int display(struct progress *progress, unsigned n, int done) return 0; } +static void throughput_string(struct throughput *tp, off_t total, + unsigned int rate) +{ + int l = sizeof(tp->display); + if (total > 1 << 30) { + l -= snprintf(tp->display, l, ", %u.%2.2u GiB", + (int)(total >> 30), + (int)(total & ((1 << 30) - 1)) / 10737419); + } else if (total > 1 << 20) { + l -= snprintf(tp->display, l, ", %u.%2.2u MiB", + (int)(total >> 20), + ((int)(total & ((1 << 20) - 1)) * 100) >> 20); + } else if (total > 1 << 10) { + l -= snprintf(tp->display, l, ", %u.%2.2u KiB", + (int)(total >> 10), + ((int)(total & ((1 << 10) - 1)) * 100) >> 10); + } else { + l -= snprintf(tp->display, l, ", %u bytes", (int)total); + } + if (rate) + snprintf(tp->display + sizeof(tp->display) - l, l, + " | %u KiB/s", rate); +} + void display_throughput(struct progress *progress, off_t total) { struct throughput *tp; @@ -124,11 +149,12 @@ void display_throughput(struct progress *progress, off_t total) if (!tp) { progress->throughput = tp = calloc(1, sizeof(*tp)); if (tp) { - tp->prev_total = total; + tp->prev_total = tp->curr_total = total; tp->prev_tv = tv; } return; } + tp->curr_total = total; /* * We have x = bytes and y = microsecs. We want z = KiB/s: @@ -149,39 +175,21 @@ void display_throughput(struct progress *progress, off_t total) misecs += (int)(tv.tv_usec - tp->prev_tv.tv_usec) / 977; if (misecs > 512) { - int l = sizeof(tp->display); - unsigned int count = total - tp->prev_total; + unsigned int count, rate; + + count = total - tp->prev_total; tp->prev_total = total; tp->prev_tv = tv; tp->avg_bytes += count; tp->avg_misecs += misecs; - - if (total > 1 << 30) { - l -= snprintf(tp->display, l, ", %u.%2.2u GiB", - (int)(total >> 30), - (int)(total & ((1 << 30) - 1)) / 10737419); - } else if (total > 1 << 20) { - l -= snprintf(tp->display, l, ", %u.%2.2u MiB", - (int)(total >> 20), - ((int)(total & ((1 << 20) - 1)) - * 100) >> 20); - } else if (total > 1 << 10) { - l -= snprintf(tp->display, l, ", %u.%2.2u KiB", - (int)(total >> 10), - ((int)(total & ((1 << 10) - 1)) - * 100) >> 10); - } else { - l -= snprintf(tp->display, l, ", %u bytes", (int)total); - } - snprintf(tp->display + sizeof(tp->display) - l, l, - " | %u KiB/s", tp->avg_bytes / tp->avg_misecs); - + rate = tp->avg_bytes / tp->avg_misecs; tp->avg_bytes -= tp->last_bytes[tp->idx]; tp->avg_misecs -= tp->last_misecs[tp->idx]; tp->last_bytes[tp->idx] = count; tp->last_misecs[tp->idx] = misecs; tp->idx = (tp->idx + 1) % TP_IDX_MAX; + throughput_string(tp, total, rate); if (progress->last_value != -1 && progress_update) display(progress, progress->last_value, 0); } @@ -225,6 +233,12 @@ void stop_progress(struct progress **p_progress) *p_progress = NULL; if (progress->last_value != -1) { /* Force the last update */ + struct throughput *tp = progress->throughput; + if (tp) { + unsigned int rate = !tp->avg_misecs ? 0 : + tp->avg_bytes / tp->avg_misecs; + throughput_string(tp, tp->curr_total, rate); + } progress_update = 1; display(progress, progress->last_value, 1); } |