/* $Id: plugin_proc_stat.c,v 1.24 2005/01/11 10:19:33 reinelt Exp $ * * plugin for /proc/stat parsing * * Copyright 2003 Michael Reinelt * Copyright 2004 The LCD4Linux Team * * This file is part of LCD4Linux. * * LCD4Linux is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * * $Log: plugin_proc_stat.c,v $ * Revision 1.24 2005/01/11 10:19:33 reinelt * changes to lcd4linux.conf.sample * * Revision 1.23 2004/06/26 12:05:00 reinelt * * uh-oh... the last CVS log message messed up things a lot... * * Revision 1.22 2004/06/26 09:27:21 reinelt * * added '-W' to CFLAGS * changed all C++ comments to C ones * cleaned up a lot of signed/unsigned mistakes * * Revision 1.21 2004/06/20 10:09:56 reinelt * * 'const'ified the whole source * * Revision 1.20 2004/06/17 06:23:43 reinelt * * hash handling rewritten to solve performance issues * * Revision 1.19 2004/05/27 03:39:47 reinelt * * changed function naming scheme to plugin::function * * Revision 1.18 2004/03/11 06:39:59 reinelt * big patch from Martin: * - reuse filehandles * - memory leaks fixed * - earlier busy-flag checking with HD44780 * - reuse memory for strings in RESULT and hash * - netdev_fast to wavid time-consuming regex * * Revision 1.17 2004/03/03 04:44:16 reinelt * changes (cosmetics?) to the big patch from Martin * hash patch un-applied * * Revision 1.16 2004/03/03 03:47:04 reinelt * big patch from Martin Hejl: * - use qprintf() where appropriate * - save CPU cycles on gettimeofday() * - add quit() functions to free allocated memory * - fixed lots of memory leaks * * Revision 1.15 2004/02/04 19:10:51 reinelt * Crystalfontz driver nearly finished * * Revision 1.14 2004/02/01 19:37:40 reinelt * got rid of every strtok() incarnation. * * Revision 1.13 2004/01/29 04:40:02 reinelt * every .c file includes "config.h" now * * Revision 1.12 2004/01/27 08:13:39 reinelt * ported PPP token to plugin_ppp * * Revision 1.11 2004/01/25 05:30:09 reinelt * plugin_netdev for parsing /proc/net/dev added * * Revision 1.10 2004/01/22 08:55:30 reinelt * fixed unhandled kernel-2.6 entries in /prco/stat * * Revision 1.9 2004/01/21 14:29:03 reinelt * new helper 'hash_get_regex' which delivers the sum over regex matched items * new function 'disk()' which uses this regex matching * * Revision 1.8 2004/01/21 11:31:23 reinelt * two bugs with hash_age() ixed * * Revision 1.7 2004/01/21 10:48:17 reinelt * hash_age function added * * Revision 1.6 2004/01/20 12:45:47 reinelt * "Default screen" working with MatrixOrbital * * Revision 1.5 2004/01/18 09:01:45 reinelt * /proc/stat parsing finished * * Revision 1.4 2004/01/18 06:54:08 reinelt * bug in expr.c fixed (thanks to Xavier) * some progress with /proc/stat parsing * * Revision 1.3 2004/01/16 11:12:26 reinelt * some bugs in plugin_xmms fixed, parsing moved to own function * plugin_proc_stat nearly finished * * Revision 1.2 2004/01/16 07:26:25 reinelt * moved various /proc parsing to own functions * made some progress with /proc/stat parsing * * Revision 1.1 2004/01/16 05:04:53 reinelt * started plugin proc_stat which should parse /proc/stat * which again is a paint in the a** * thinking over implementation methods of delta functions * (CPU load, ...) * */ /* * exported functions: * * int plugin_init_proc_stat (void) * adds functions to access /proc/stat * */ #include "config.h" #include #include #include #include #include #include "debug.h" #include "plugin.h" #include "qprintf.h" #include "hash.h" static HASH Stat; static FILE *stream = NULL; static void hash_put1 (const char *key1, const char *val) { hash_put_delta (&Stat, key1, val); } static void hash_put2 (const char *key1, const char *key2, const char *val) { char key[32]; qprintf(key, sizeof(key), "%s.%s", key1, key2); hash_put1 (key, val); } static void hash_put3 (const char *key1, const char *key2, const char *key3, const char *val) { char key[32]; qprintf(key, sizeof(key), "%s.%s.%s", key1, key2, key3); hash_put1 (key, val); } static int parse_proc_stat (void) { int age; /* reread every 10 msec only */ age=hash_age(&Stat, NULL); if (age>0 && age<=10) return 0; if (stream==NULL) stream=fopen("/proc/stat", "r"); if (stream==NULL) { error ("fopen(/proc/stat) failed: %s", strerror(errno)); return -1; } rewind(stream); while (!feof(stream)) { char buffer[1024]; if (fgets (buffer, sizeof(buffer), stream) == NULL) break; if (strncmp(buffer, "cpu", 3)==0) { char *key[] = { "user", "nice", "system", "idle" }; char delim[] = " \t\n"; char *cpu, *beg, *end; int i; cpu=buffer; /* skip "cpu" or "cpu0" block */ if ((end=strpbrk(buffer, delim))!=NULL) *end='\0'; beg=end?end+1:NULL; for (i=0; i<4 && beg!=NULL; i++) { while (strchr(delim, *beg)) beg++; if ((end=strpbrk(beg, delim))) *end='\0'; hash_put2 (cpu, key[i], beg); beg=end?end+1:NULL; } } else if (strncmp(buffer, "page ", 5)==0) { char *key[] = { "in", "out" }; char delim[] = " \t\n"; char *beg, *end; int i; 
#----------------------------------------------------------------------------------------------
# Auto-generated from:
# <http://www.digitaluk.co.uk/coveragechecker/main/tradeexport/NR16�1DW/NA/0/>
#----------------------------------------------------------------------------------------------
# location and provider: UK, Tacolneston
# date (yyyy-mm-dd)    : 2015-01-17
#
#----------------------------------------------------------------------------------------------
[C55- BBC A]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 745833000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 2/3
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO

[C59- D3&4]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 777833000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 2/3
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO

[C31 COM7 HD]
	DELIVERY_SYSTEM = DVBT2
	FREQUENCY = 554000000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 2/3
	CODE_RATE_LP = NONE
	MODULATION = QAM/256
	TRANSMISSION_MODE = 32K
	GUARD_INTERVAL = 1/128
	HIERARCHY = NONE
	STREAM_ID = 0
	INVERSION = AUTO

[C42 SDN]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 642000000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO

[C45 ARQ A]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 666000000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO

[C39+ ARQ B]
	DELIVERY_SYSTEM = DVBT
	FREQUENCY = 618167000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 3/4
	CODE_RATE_LP = NONE
	MODULATION = QAM/64
	TRANSMISSION_MODE = 8K
	GUARD_INTERVAL = 1/32
	HIERARCHY = NONE
	INVERSION = AUTO

[C50 BBC B HD]
	DELIVERY_SYSTEM = DVBT2
	FREQUENCY = 706000000
	BANDWIDTH_HZ = 8000000
	CODE_RATE_HP = 2/3
	CODE_RATE_LP = NONE
	MODULATION = QAM/256
	TRANSMISSION_MODE = 32K
	GUARD_INTERVAL = 1/128
	HIERARCHY = NONE
	STREAM_ID = 0
	INVERSION = AUTO
generated by cgit v1.2.3 (git 2.39.1) at 2026-04-21 03:23:44 +0000