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40 Commits

Author SHA1 Message Date
ilyam8 491c6f1044 consider only shrinkable ZFS ARC as cache on Linux 2022-05-30 07:50:57 +02:00
Daniel Lange 94ad111391 Update license headers to explicitly say GPLv2+ 2021-09-22 14:28:19 +02:00
mayurdahibhate 3f86a011e6 platform-dependent files included relative to main source directory 2021-05-10 18:40:53 +02:00
mayurdahibhate 1b74dfe187 cleaned up includes with iwyu 2021-05-10 18:40:53 +02:00
Christian Göttsche 436808ff99 Use RichString_appendnAscii where possible 
`RichString_appendnAscii()` avoids a `strlen(3)` call over
` RichString_appendAscii()`.
Use the former where the length is available from a previous checked
`snprintf(3)` call.

Keep `RichString_appendAscii()` when passing a string literal and
rely on compilers to optimize the `strlen(3)` call away.
 2021-04-26 17:51:45 +02:00
Christian Göttsche 099dab88be ZfsCompressedArcMeter: avoid division by 0 
On systems not using ZFS `this->values[0]` is zero.
 2021-04-22 17:12:02 +02:00
Christian Göttsche 2d1042adb3 Save text buffer in Meter 2021-03-04 23:57:45 +01:00
Nathan Scott 61ef1134d9 Move generic (shared) code into its own sub-directory 
Code that is shared across some (but not all) platforms
is moved into a 'generic' home. Makefile.am cleanups to
match plus some minor alphabetic reordering/formatting.

As discussed in https://github.com/htop-dev/htop/pull/553
 2021-03-04 13:40:59 +11:00
Christian Göttsche f42090fcfd Drop empty file zfs/ZfsArcStats.c 2021-02-17 00:05:16 +01:00
Daniel Lange 1e39c8fa4d Make ZFS Meter "Unavailable" text match others -> FAILED_READ coloring 2021-02-09 20:25:57 +01:00
Ross Williams f73c98abd4 Forgot to correctly color ZFS ARC ratio 
`ZFS_RATIO` in `CRT.c` was unused, because I forgot
to colorize the ARC ratio in the Compressed ARC meter.

The intent was to improve readability of the meter by
highlighting the most relevant value, the ratio, in
a brighter color, for most themes. This change effects
that intent.
 2021-02-09 17:07:00 +00:00
Christian Göttsche 157086e750 Split RichString_(append|appendn|write) into wide and ascii 
RichString_writeFrom takes a top spot during performance analysis due to the
calls to mbstowcs() and iswprint().

Most of the time we know in advance that we are only going to print regular
ASCII characters.
 2020-12-08 20:58:40 +01:00
Christian Göttsche 5506925b34 Use sizeof buffer instead of magic number 2020-12-08 16:36:00 +01:00
Christian Göttsche ad764ff972 Introduce METER_BUFFER_CHECK and METER_BUFFER_APPEND_CHR to cleanup writing to bar buffers 
Closes: #294
 2020-12-06 16:03:44 +01:00
Christian Göttsche e1ce141bc3 Use size_t as len type for Meter_UpdateValues 
Most of the time the parameter is passed to snprintf type functions
 2020-12-06 16:03:44 +01:00
Benny Baumann 03f9a86918 Reduce scope of local variables 2020-11-22 10:08:27 +01:00
Christian Goettsche f5c3349bdb IWYU update (FreeBSD) 2020-11-19 23:51:50 +01:00
Benny Baumann 61e14d4bb2 Spacing around operators 2020-11-02 22:15:01 +01:00
Benny Baumann b23f8235e2 Whitespace and indentation issues 2020-11-02 22:15:01 +01:00
Christian Göttsche 72103e9613 Hold only a const version of the ProcessList in Meters 2020-10-26 19:30:38 +01:00
Christian Göttsche f8208f2173 Drop tabs in source indentions 2020-10-20 21:43:36 +02:00
Benny Baumann 0f5262917f Make all required includes explicit 
Information as seen by IWYU 0.12 + clang 9 on Linux
 2020-10-18 20:09:05 +02:00
Benny Baumann 872e542f4e Rename StringUtils.[ch] to XUtils.[ch] 2020-10-16 20:30:21 +02:00
Benny Baumann c6f04a9c5d Move xAsprintf, xSnprintf and xStrdup to StringUtils.h 2020-10-16 20:29:45 +02:00
Christian Göttsche 7af06659e2 Mark remaining classes const 2020-10-13 14:56:01 +02:00
Christian Göttsche 79ad39c718 Mark Object pointer to _display function const 2020-10-10 11:25:19 +02:00
Christian Göttsche 08d85e6143 Mark Object classes and Object class fields const 2020-10-07 13:01:53 +02:00
Daniel Lange 079c2abf8e Update License consistently to GPLv2 as per COPYING file 2020-10-05 10:13:12 +02:00
Christian Göttsche 7107d1db0b Refactor __attribute__ usage 
Use internal macros for compatibility with non GNUC compilers.
 2020-09-18 12:28:40 +02:00
Nathan Scott 8ec5d4a3a0 Further, minor cleanups to headers post-MakeHeaders 
Remove leftover empty ifdef/endif pairs, whitespace.
The generated htop.h file was also unused - removed.
 2020-09-08 17:33:50 +10:00
Zev Weiss 7b7822b896 Remove superfluous 'extern's from function declarations. 
Applied via:

  $ find * -name '*.h' -exec sed -i -r 's/^extern (.+\()/\1/;' {} +

Suggested-by: Bert Wesarg <bert.wesarg@googlemail.com>
 2020-09-03 11:59:26 -05:00
Zach Dykstra f97fbd668a Normalize ZFS ARC caption 
Other captions take the form of LABEL:<space>. This moves the
uncompressed ZFS ARC caption into the same style.
 2020-08-28 00:02:35 -05:00
Nathan Scott 5dad65ac2a Update header files to match whitespace changes in source files 2020-08-22 15:46:31 +10:00
Christian Göttsche 9fde0835ed Avoid empty translation unit warning 
zfs/ZfsArcStats.c:22: error: ISO C forbids an empty translation unit [-Werror=pedantic]
       22 | }*/
          |
 2020-08-21 10:38:44 +02:00
Christian Göttsche b92f62f912 Remove trailing whitespaces 2020-08-21 10:37:33 +02:00
Ross Williams 613556faeb Support for ZFS Compressed ARC statistics 2019-09-03 18:44:19 +00:00
Ross Williams e450b58636 Refactor openzfs_sysctl_init() and ZfsArcMeter... 
openzfs_sysctl_init() now returns void instead of int.
The ZfsArcStats->enabled flag is set inside the init function
now, instead of having to be set from its return value.
Preparation for more flag setting in Compressed ARC commit.

ZfsArcMeter_readStats() added and all Meter->values[] setting
moved to it, eliminating duplicated code in
{darwin,freebsd,linux,solaris}/Platform.c.
 2019-09-03 18:21:33 +00:00
Ross Williams a88d2e313d Refactor common OpenZFS sysctl access 
Darwin and FreeBSD export zfs kstats through the
same APIs, so moving functions into a common file.
 2019-07-07 23:10:54 -04:00
Ross Williams 070fe90461 ZFS arcstats for Linux 
If no pools are imported (ARC size == 0) or the
ZFS module is not in the kernel (/proc/spl/kstat/zfs/arcstats
does not exist), then the Meter reports "Unavailable".
 2019-07-07 22:57:15 -04:00
Ross Williams a93edde1a2 Support ZFS ARC stats on FreeBSD 
New meter displays same ARC stats as FreeBSD top(1).
Can be extended to other platforms that support ZFS.

Pulling kstat.zfs.misc.arcstats.c_max as the meter
total, so the meter has a meaningful value to work
up to.

The Text meter displays, first, the maximum
ARC size (Meter.total), then second, the total
ARC used, using the difference between Meter.maxItems
and Meter.curItems to "hide" the used value from the
Bar and Graph drawing functions by using an index
in Meter.values[] that is beyond curItems - 1, but
less than maxItems - 1.
 2019-07-07 22:52:04 -04:00