mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-10 21:19:59 +00:00
c0dedd19bf
- Redirect STDERR for the collection part in both tools - rm_tempdir in sigtrap - A part of pt-mysql-summary still depended on the system being run, rather than the samples being read. Now it works properly.
118 lines
3.6 KiB
Bash
118 lines
3.6 KiB
Bash
# This program is copyright 2011 Percona Inc.
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# Feedback and improvements are welcome.
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#
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# THIS PROGRAM IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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# MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, version 2; OR the Perl Artistic License. On UNIX and similar
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# systems, you can issue `man perlgpl' or `man perlartistic' to read these
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# licenses.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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# Place, Suite 330, Boston, MA 02111-1307 USA.
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# ###########################################################################
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# report_formatting package
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# ###########################################################################
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# Package: report_formatting
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# Common report formatting functions for the summary tools.
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set -u
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POSIXLY_CORRECT=1
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export POSIXLY_CORRECT
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fuzzy_formula='
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rounded = 0;
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if (fuzzy_var <= 10 ) {
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rounded = 1;
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}
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factor = 1;
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while ( rounded == 0 ) {
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if ( fuzzy_var <= 50 * factor ) {
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fuzzy_var = sprintf("%.0f", fuzzy_var / (5 * factor)) * 5 * factor;
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rounded = 1;
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}
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else if ( fuzzy_var <= 100 * factor) {
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fuzzy_var = sprintf("%.0f", fuzzy_var / (10 * factor)) * 10 * factor;
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rounded = 1;
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}
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else if ( fuzzy_var <= 250 * factor) {
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fuzzy_var = sprintf("%.0f", fuzzy_var / (25 * factor)) * 25 * factor;
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rounded = 1;
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}
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factor = factor * 10;
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}'
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# Does fuzzy rounding: rounds to nearest interval, but the interval gets larger
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# as the number gets larger. This is to make things easier to diff.
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fuzz () {
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awk -v fuzzy_var="$1" "BEGIN { ${fuzzy_formula} print fuzzy_var;}"
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}
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# Fuzzy computes the percent that $1 is of $2
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fuzzy_pct () {
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local pct="$(awk -v one="$1" -v two="$2" 'BEGIN{ if (two > 0) { printf "%d", one/two*100; } else {print 0} }')";
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echo "$(fuzz "${pct}")%"
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}
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# Prints a section header. All spaces in the string passed in are replaced
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# with #'s and all underscores with spaces.
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section () {
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local str="$1"
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local line="$(printf '# %-60s' "${str} _" | awk '{
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i = index($0, "_");
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x = substr($0, i);
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gsub(/[_ \t]/, "#", x);
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printf("%s%s\n", substr($0, 0, i-1), x);
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}')"
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printf "%s\n" "${line}"
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}
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NAME_VAL_LEN=12
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name_val () {
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# We use $NAME_VAL_LEN here because the two summary tools, as well as
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# the tests, use diffent widths.
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printf "%+*s | %s\n" "${NAME_VAL_LEN}" "$1" "$2"
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}
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# Sub: shorten
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# Shorten a value in bytes to another representation.
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#
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shorten() {
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local num="$1"
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local prec="${2:-2}"
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local div="${3:-1024}"
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echo "$num" | awk -v prec="$prec" -v div="$div" '
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{
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size = 4;
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val = $1;
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unit = val >= 1099511627776 ? "T" : val >= 1073741824 ? "G" : val >= 1048576 ? "M" : val >= 1024 ? "k" : "";
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while ( int(val) && !(val % 1024) ) {
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val /= 1024;
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}
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while ( val > 1000 ) {
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val /= div;
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}
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printf "%.*f%s", prec, val, unit;
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}
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'
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}
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group_concat () {
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sed -e '{H; $!d;}' -e 'x' -e 's/\n[[:space:]]*\([[:digit:]]*\)[[:space:]]*/, \1x/g' -e 's/[[:space:]][[:space:]]*/ /g' -e 's/, //' "${1}"
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}
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# ###########################################################################
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# End report_formatting package
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# ###########################################################################
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