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minor adjustments
author
Simon J Mudd
<sjmudd@pobox.com>
Sat, 15 Nov 2014 11:38:00 +0000
(12:38 +0100)
committer
Simon J Mudd
<sjmudd@pobox.com>
Sat, 15 Nov 2014 11:38:00 +0000
(12:38 +0100)
keys.txt
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screen_samples.txt
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diff --git
a/keys.txt
b/keys.txt
index
429868f
..
50563c6
100644
(file)
--- a/
keys.txt
+++ b/
keys.txt
@@
-3,7
+3,7
@@
it tells you.
--------
--------
-pstop version 0.0.1
0
(C) 2014 Simon J Mudd <sjmudd@pobox.com>
+pstop version 0.0.1
2
(C) 2014 Simon J Mudd <sjmudd@pobox.com>
Program to show the top I/O information by accessing information from the
performance_schema schema. Ideas based on mysql-sys.
Program to show the top I/O information by accessing information from the
performance_schema schema. Ideas based on mysql-sys.
@@
-13,7
+13,8
@@
Keys:
+ - increase the poll interval by 1 second
h - this help screen
q - quit
+ - increase the poll interval by 1 second
h - this help screen
q - quit
-t - toggle between showing time since resetting statistics or since P_S data was collected
+t - toggle between showing the statistics since resetting pstop started or
+ you explicitly reset them (with 'z') [REL] or showing the statistics
+ as collected from MySQL [ABS].
z - reset statistics
<tab> - change display modes between: latency, ops, file I/O and lock modes
z - reset statistics
<tab> - change display modes between: latency, ops, file I/O and lock modes
-
diff --git
a/screen_samples.txt
b/screen_samples.txt
index
81fb7d3
..
6a2b1d0
100644
(file)
--- a/
screen_samples.txt
+++ b/
screen_samples.txt
@@
-2,7
+2,7
@@
Just to give you an idea of the info you can see here are some examples
from my home system. Oh and if you didn't know already I use wordpress.
This system is _very_ lightly loaded.
from my home system. Oh and if you didn't know already I use wordpress.
This system is _very_ lightly loaded.
-pstop 0.0.10 - 21:40:51 xxxxxxxxxxxxx / 5.6.
16
-log, up 13m 7s [ABS]
+pstop 0.0.10 - 21:40:51 xxxxxxxxxxxxx / 5.6.
xx
-log, up 13m 7s [ABS]
Latency by Table Name (table_io_waits_summary_by_table) 10 rows
Table Name Latency %| Fetch Insert Update Delete
wordpress.wp_comments 1.34 s 75.0%| 99.6% 0.4%
Latency by Table Name (table_io_waits_summary_by_table) 10 rows
Table Name Latency %| Fetch Insert Update Delete
wordpress.wp_comments 1.34 s 75.0%| 99.6% 0.4%
@@
-20,7
+20,7
@@
TOTALS 1.78 s 100.0%| 97.0% 2.9% 0.1%
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
-pstop 0.0.10 - 21:42:01 xxxxxxxxxxxxx / 5.6.
16
-log, up 14m 17s [ABS]
+pstop 0.0.10 - 21:42:01 xxxxxxxxxxxxx / 5.6.
xx
-log, up 14m 17s [ABS]
Operations by Table Name (table_io_waits_summary_by_table) 10 rows
Table Name Ops %| Fetch Insert Update Delete
wordpress.wp_comments 85.91 k 57.3%|100.0% 0.0%
Operations by Table Name (table_io_waits_summary_by_table) 10 rows
Table Name Ops %| Fetch Insert Update Delete
wordpress.wp_comments 85.91 k 57.3%|100.0% 0.0%
@@
-38,7
+38,7
@@
TOTALS 149.85 k 100.0%| 99.9% 0.1% 0.0%
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
-pstop 0.0.10 - 21:43:10 xxxxxxxxxxxxx / 5.6.
16
-log, up 15m 26s [ABS]
+pstop 0.0.10 - 21:43:10 xxxxxxxxxxxxx / 5.6.
xx
-log, up 15m 26s [ABS]
File I/O by filename (file_summary_by_instance)
Table Name Latency %| Read Write Misc|Rd bytes Wr bytes| Ops R Ops W Ops M Ops
<redo_log> 7.22 s 47.3%| 0.1% 99.9%| 68.00 k 82.50 k| 240 2.5% 47.5% 50.0%
File I/O by filename (file_summary_by_instance)
Table Name Latency %| Read Write Misc|Rd bytes Wr bytes| Ops R Ops W Ops M Ops
<redo_log> 7.22 s 47.3%| 0.1% 99.9%| 68.00 k 82.50 k| 240 2.5% 47.5% 50.0%
@@
-57,7
+57,7
@@
TOTALS 15.26 s 100.0%| 6.6% 0.3% 93.1%|125.37 M
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
-pstop 0.0.10 - 21:44:27 xxxxxxxxxxxxx / 5.6.
16
-log, up 16m 43s [ABS]
+pstop 0.0.10 - 21:44:27 xxxxxxxxxxxxx / 5.6.
xx
-log, up 16m 43s [ABS]
Locks by Table Name (table_lock_waits_summary_by_table)
Table Name Latency %| Read Write|S.Lock High NoIns Normal Extrnl|AlloWr CncIns Low Normal Extrnl
wordpress.wp_options 4.15 ms 50.4%| 97.2% 2.8%| 34.1% 63.1%| 0.8% 1.9%
Locks by Table Name (table_lock_waits_summary_by_table)
Table Name Latency %| Read Write|S.Lock High NoIns Normal Extrnl|AlloWr CncIns Low Normal Extrnl
wordpress.wp_options 4.15 ms 50.4%| 97.2% 2.8%| 34.1% 63.1%| 0.8% 1.9%