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top: do not use previous colleced data wheh "h" toggles threads display

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This prevents first update from showing incorrect CPU usage data

function                                             old     new   delta
handle_input                                         620     643     +23

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2019-08-11 16:17:11 +02:00
parent 4f70a32f46
commit ac78f2ac96
1 changed files with 4 additions and 1 deletions
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5
procps/top.c
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@ -979,6 +979,9 @@ static unsigned handle_input(unsigned scan_mask, duration_t interval)
IF_FEATURE_TOPMEM(&& scan_mask != TOPMEM_MASK) IF_FEATURE_TOPMEM(&& scan_mask != TOPMEM_MASK)
) { ) {
scan_mask ^= PSSCAN_TASKS; scan_mask ^= PSSCAN_TASKS;
free(prev_hist);
prev_hist = NULL;
prev_hist_count = 0;
continue; continue;
} }
# endif # endif
@ -1000,10 +1003,10 @@ static unsigned handle_input(unsigned scan_mask, duration_t interval)
# if ENABLE_FEATURE_TOPMEM # if ENABLE_FEATURE_TOPMEM
if (c == 's') { if (c == 's') {
scan_mask = TOPMEM_MASK; scan_mask = TOPMEM_MASK;
sort_field = (sort_field + 1) % NUM_SORT_FIELD;
free(prev_hist); free(prev_hist);
prev_hist = NULL; prev_hist = NULL;
prev_hist_count = 0; prev_hist_count = 0;
sort_field = (sort_field + 1) % NUM_SORT_FIELD;
continue; continue;
} }
# endif # endif