desktop/wmmon: Support NVME devices.

Signed-off-by: B. Watson <urchlay@slackware.uk>

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

desktop/wmmon/nvme.diff

@@ -0,0 +1,12 @@
+diff -Naur wmmon-1.4/wmmon.c wmmon-1.4.patched/wmmon.c
+--- wmmon-1.4/wmmon.c	2018-04-10 18:22:59.000000000 -0400
++++ wmmon-1.4.patched/wmmon.c	2023-02-14 00:38:41.868867398 -0500
+@@ -800,7 +800,7 @@
+ 		 *  limited buffer. Or just divide by 2 (inefficient). Shouldn't
+ 		 * matter for graphing (we care about proportions, not numbers).  */
+ 		while ((getline(&line, &line_size, fp_diskstats)) > 0) {
+-			if (strstr(line, "sd") || strstr(line, "sr")) {
++			if (strstr(line, "sd") || strstr(line, "sr") || strstr(line, "nvme")) {
+ 				p = strtok(line, tokens);
+ 				/* skip 3 tokens, then use fields from
+ 				`* linux/Documentation/iostats.txt	     */

desktop/wmmon/wmmon.SlackBuild

@@ -6,6 +6,9 @@
 
 # Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
 
+# 20230214 bkw: BUILD=2
+# - add patch to detect I/O on NVME devices (in -i mode).
+
 # 20191211 bkw: Update for v1.4. Script can no longer build the old version.
 # - add libdockapp dep
 # - get rid of patches (no longer needed)
@@ -25,7 +28,7 @@ cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=wmmon
 VERSION=${VERSION:-1.4}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -66,6 +69,11 @@ chown -R root:root .
 find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
         \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+
 
+# I/O monitoring works by checking /proc/diskstats. Each line is
+# a device name, and nvme devices weren't invented yet when the
+# code was originally written...
+patch -p1 < $CWD/nvme.diff
+
 # Man page taken from Debian, slightly corrected, and -c option added.
 cat $CWD/$PRGNAM.1 > $PRGNAM.1