From 2fa08ae4a89a80af291bca046626b035be0ea569 Mon Sep 17 00:00:00 2001 From: fche Date: Sat, 22 Sep 2007 16:45:13 +0000 Subject: PR 5057: histogram zero elision 2007-09-22 Frank Ch. Eigler PR 5057. * stat-common.c (_stp_stat_print_histogram): Elide consecutive zero rows beyond 2*STAT_ELISION+1. (STAT_ELISION): New parameter, default 2. 2007-09-22 Frank Ch. Eigler PR 5057. * systemtap.maps/linear_nearlyempty.*: New test for histogram printing elision. --- testsuite/ChangeLog | 6 ++++++ testsuite/systemtap.maps/linear_nearlyempty.exp | 25 +++++++++++++++++++++++++ testsuite/systemtap.maps/linear_nearlyempty.stp | 18 ++++++++++++++++++ 3 files changed, 49 insertions(+) create mode 100644 testsuite/systemtap.maps/linear_nearlyempty.exp create mode 100644 testsuite/systemtap.maps/linear_nearlyempty.stp (limited to 'testsuite') diff --git a/testsuite/ChangeLog b/testsuite/ChangeLog index 4c5d811b..a2317b5f 100644 --- a/testsuite/ChangeLog +++ b/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2007-09-22 Frank Ch. Eigler + + PR 5057. + * systemtap.maps/linear_nearlyempty.*: New test for + histogram printing elision. + 2007-09-21 Martin Hunt * systemtap.maps/linear*: Updated linear histogram tests. diff --git a/testsuite/systemtap.maps/linear_nearlyempty.exp b/testsuite/systemtap.maps/linear_nearlyempty.exp new file mode 100644 index 00000000..dfb5e9ef --- /dev/null +++ b/testsuite/systemtap.maps/linear_nearlyempty.exp @@ -0,0 +1,25 @@ +# Test nearly empty linear histogram + +set test "linear_nearlyempty" +set ::result_string {count=2 +sum=1443 +min=444 +max=999 +avg=721 +value |-------------------------------------------------- count + 300 | 0 + 350 | 0 + 400 |@ 1 + 450 | 0 + 500 | 0 + ~ + 850 | 0 + 900 | 0 + 950 |@ 1 + 1000 | 0 + 1050 | 0 +} + +stap_run2 $srcdir/$subdir/$test.stp + + diff --git a/testsuite/systemtap.maps/linear_nearlyempty.stp b/testsuite/systemtap.maps/linear_nearlyempty.stp new file mode 100644 index 00000000..f0b70607 --- /dev/null +++ b/testsuite/systemtap.maps/linear_nearlyempty.stp @@ -0,0 +1,18 @@ +# test that we can check the count of an empty array + +global agg + +probe begin +{ + agg <<< 444 + agg <<< 999 + printf("count=%d\n", @count(agg)) + if (@count(agg) > 0) { + printf("sum=%d\n", @sum(agg)) + printf("min=%d\n", @min(agg)) + printf("max=%d\n", @max(agg)) + printf("avg=%d\n", @avg(agg)) + print(@hist_linear(agg, 0, 1500, 50)) + } + exit() +} -- cgit