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authorDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:22:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:22:44 +0000
commit1e6c93250172946eeb38e94a92a1fd12c9d3011e (patch)
tree8ca5e16dfc7ad6b3bf2738ca0a48408a950f8f7e /src/proc_uptime.c
parentUpdate watch file (diff)
downloadnetdata-1e6c93250172946eeb38e94a92a1fd12c9d3011e.tar.xz
netdata-1e6c93250172946eeb38e94a92a1fd12c9d3011e.zip
Merging upstream version 1.11.0+dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/proc_uptime.c')
-rw-r--r--src/proc_uptime.c103
1 files changed, 0 insertions, 103 deletions
diff --git a/src/proc_uptime.c b/src/proc_uptime.c
deleted file mode 100644
index 259de4760..000000000
--- a/src/proc_uptime.c
+++ /dev/null
@@ -1,103 +0,0 @@
-#include "common.h"
-
-static inline collected_number uptime_from_boottime(void) {
-#ifdef CLOCK_BOOTTIME_IS_AVAILABLE
- return now_boottime_usec() / 1000;
-#else
- error("uptime cannot be read from CLOCK_BOOTTIME on this system.");
- return 0;
-#endif
-}
-
-static procfile *read_proc_uptime_ff = NULL;
-static inline collected_number read_proc_uptime(void) {
- if(unlikely(!read_proc_uptime_ff)) {
- char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/uptime");
-
- read_proc_uptime_ff = procfile_open(config_get("plugin:proc:/proc/uptime", "filename to monitor", filename), " \t", PROCFILE_FLAG_DEFAULT);
- if(unlikely(!read_proc_uptime_ff)) return 0;
- }
-
- read_proc_uptime_ff = procfile_readall(read_proc_uptime_ff);
- if(unlikely(!read_proc_uptime_ff)) return 0;
-
- if(unlikely(procfile_lines(read_proc_uptime_ff) < 1)) {
- error("/proc/uptime has no lines.");
- return 0;
- }
- if(unlikely(procfile_linewords(read_proc_uptime_ff, 0) < 1)) {
- error("/proc/uptime has less than 1 word in it.");
- return 0;
- }
-
- return (collected_number)(strtold(procfile_lineword(read_proc_uptime_ff, 0, 0), NULL) * 1000.0);
-}
-
-int do_proc_uptime(int update_every, usec_t dt) {
- (void)dt;
-
- static int use_boottime = -1;
-
- if(unlikely(use_boottime == -1)) {
- collected_number uptime_boottime = uptime_from_boottime();
- collected_number uptime_proc = read_proc_uptime();
-
- long long delta = (long long)uptime_boottime - (long long)uptime_proc;
- if(delta < 0) delta = -delta;
-
- if(delta <= 1000 && uptime_boottime != 0) {
- procfile_close(read_proc_uptime_ff);
- info("Using now_boottime_usec() for uptime (dt is %lld ms)", delta);
- use_boottime = 1;
- }
- else if(uptime_proc != 0) {
- info("Using /proc/uptime for uptime (dt is %lld ms)", delta);
- use_boottime = 0;
- }
- else {
- error("Cannot find any way to read uptime on this system.");
- return 1;
- }
- }
-
- collected_number uptime;
- if(use_boottime)
- uptime = uptime_from_boottime();
- else
- uptime = read_proc_uptime();
-
-
- // --------------------------------------------------------------------
-
- static RRDSET *st = NULL;
- static RRDDIM *rd = NULL;
-
- if(unlikely(!st)) {
-
- st = rrdset_create_localhost(
- "system"
- , "uptime"
- , NULL
- , "uptime"
- , NULL
- , "System Uptime"
- , "seconds"
- , "proc"
- , "uptime"
- , 1000
- , update_every
- , RRDSET_TYPE_LINE
- );
-
- rd = rrddim_add(st, "uptime", NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
- }
- else
- rrdset_next(st);
-
- rrddim_set_by_pointer(st, rd, uptime);
-
- rrdset_done(st);
-
- return 0;
-}