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authorDenys Vlasenko <vda.linux@googlemail.com>2018-02-13 16:48:52 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2018-02-13 16:48:52 +0100
commitedccc982e515e63a080a75fb49fd08b946f62cc6 (patch)
tree24b7d9984847a97ed1ce04ec042c2f44652ba2ce /libbb
parentaa617ac09703f31e9f80836f8d8f9349b52578ee (diff)
downloadbusybox-edccc982e515e63a080a75fb49fd08b946f62cc6.tar.gz
progress meter: add disabled code for a more stable ETA
Compiles to ~25 bytes if enabled. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb')
-rw-r--r--libbb/progress.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/libbb/progress.c b/libbb/progress.c
index f1d980d68..23e974ce7 100644
--- a/libbb/progress.c
+++ b/libbb/progress.c
@@ -57,6 +57,9 @@ void FAST_FUNC bb_progress_init(bb_progress_t *p, const char *curfile)
p->last_update_sec = p->start_sec;
p->last_change_sec = p->start_sec;
p->last_size = 0;
+#if 0
+ p->last_eta = INT_MAX;
+#endif
}
/* File already had beg_size bytes.
@@ -192,6 +195,16 @@ void FAST_FUNC bb_progress_update(bb_progress_t *p,
/* if 32bit, can overflow ^^^^^^^^^^, but this would only show bad ETA */
if (eta >= 1000*60*60)
eta = 1000*60*60 - 1;
+#if 0
+ /* To prevent annoying "back-and-forth" estimation jitter,
+ * if new ETA is larger than the last just by a few seconds,
+ * disregard it, and show last one. The end result is that
+ * ETA usually only decreases, unless download slows down a lot.
+ */
+ if ((unsigned)(eta - p->last_eta) < 10)
+ eta = p->last_eta;
+ p->last_eta = eta;
+#endif
secs = eta % 3600;
hours = eta / 3600;
fprintf(stderr, "%3u:%02u:%02u ETA", hours, secs / 60, secs % 60);