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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2019-08-04 08:57:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2019-08-04 08:57:13 +0000 |
commit | cbf70980c060bde02906a8e9de2064459bacc93c (patch) | |
tree | 5b9ade02e0ed32a4b33f5e8647092d0c02ea586d /collectors/cgroups.plugin | |
parent | Releasing debian version 1.16.0-1. (diff) | |
download | netdata-cbf70980c060bde02906a8e9de2064459bacc93c.tar.xz netdata-cbf70980c060bde02906a8e9de2064459bacc93c.zip |
Merging upstream version 1.16.1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | collectors/cgroups.plugin/README.md | 2 | ||||
-rwxr-xr-x | collectors/cgroups.plugin/cgroup-name.sh.in | 19 | ||||
-rw-r--r-- | collectors/cgroups.plugin/cgroup-network.c | 2 | ||||
-rw-r--r-- | collectors/cgroups.plugin/sys_fs_cgroup.c | 28 |
4 files changed, 33 insertions, 18 deletions
diff --git a/collectors/cgroups.plugin/README.md b/collectors/cgroups.plugin/README.md index c01f9ec04..6ec9024da 100644 --- a/collectors/cgroups.plugin/README.md +++ b/collectors/cgroups.plugin/README.md @@ -110,6 +110,8 @@ By default, Netdata will enable monitoring metrics only when they are not zero. enable memory (used mem including cache) = yes ``` +You can also set the `enable zero metrics` option to `yes` in the `[global]` section which enables charts with zero metrics for all internal Netdata plugins. + ### alarms CPU and memory limits are watched and used to rise alarms. Memory usage for every cgroup is checked against `ram` and `ram+swap` limits. CPU usage for every cgroup is checked against `cpuset.cpus` and `cpu.cfs_period_us` + `cpu.cfs_quota_us` pair assigned for the cgroup. Configuration for the alarms is available in `health.d/cgroups.conf` file. diff --git a/collectors/cgroups.plugin/cgroup-name.sh.in b/collectors/cgroups.plugin/cgroup-name.sh.in index 48f523885..784c06042 100755 --- a/collectors/cgroups.plugin/cgroup-name.sh.in +++ b/collectors/cgroups.plugin/cgroup-name.sh.in @@ -53,18 +53,25 @@ function docker_get_name_classic() { } function docker_get_name_api() { - local id="${1}" - if [ ! -S "${DOCKER_HOST}" ]; then - warning "Can't find ${DOCKER_HOST}" + local path="/containers/${1}/json" + if [ -z "${DOCKER_HOST}" ]; then + warning "No DOCKER_HOST is set" return 1 fi if ! command -v jq >/dev/null 2>&1; then warning "Can't find jq command line tool. jq is required for netdata to retrieve docker container name using ${DOCKER_HOST} API, falling back to docker ps" return 1 fi - - info "Running API command: /containers/${id}/json" - JSON=$(echo -e "GET /containers/${id}/json HTTP/1.0\\r\\n" | nc -U "${DOCKER_HOST}" | grep '^{.*') + if [ -S "${DOCKER_HOST}" ]; then + info "Running API command: curl --unix-socket ${DOCKER_HOST} http://localhost${path}" + JSON=$(curl -sS --unix-socket "${DOCKER_HOST}" "http://localhost${path}") + elif [ "${DOCKER_HOST}" == "/var/run/docker.sock" ]; then + warning "Docker socket was not found at ${DOCKER_HOST}" + return 1 + else + info "Running API command: curl ${DOCKER_HOST}${path}" + JSON=$(curl -sS "${DOCKER_HOST}${path}") + fi NAME=$(echo "$JSON" | jq -r .Name,.Config.Hostname | grep -v null | head -n1 | sed 's|^/||') return 0 } diff --git a/collectors/cgroups.plugin/cgroup-network.c b/collectors/cgroups.plugin/cgroup-network.c index 87cb5ef12..d4f990061 100644 --- a/collectors/cgroups.plugin/cgroup-network.c +++ b/collectors/cgroups.plugin/cgroup-network.c @@ -86,7 +86,7 @@ unsigned int read_iface_ifindex(const char *prefix, const char *iface) { return (unsigned int)ifindex; } -struct iface *read_proc_net_dev(const char *scope, const char *prefix) { +struct iface *read_proc_net_dev(const char *scope __maybe_unused, const char *prefix) { if(!prefix) prefix = ""; procfile *ff = NULL; diff --git a/collectors/cgroups.plugin/sys_fs_cgroup.c b/collectors/cgroups.plugin/sys_fs_cgroup.c index 4300788d5..d9d130f7e 100644 --- a/collectors/cgroups.plugin/sys_fs_cgroup.c +++ b/collectors/cgroups.plugin/sys_fs_cgroup.c @@ -575,7 +575,8 @@ static inline void cgroup_read_cpuacct_stat(struct cpuacct_stat *cp) { cp->updated = 1; - if(unlikely(cp->enabled == CONFIG_BOOLEAN_AUTO && (cp->user || cp->system))) + if(unlikely(cp->enabled == CONFIG_BOOLEAN_AUTO && + (cp->user || cp->system || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) cp->enabled = CONFIG_BOOLEAN_YES; } } @@ -611,7 +612,8 @@ static inline void cgroup2_read_cpuacct_stat(struct cpuacct_stat *cp) { cp->updated = 1; - if(unlikely(cp->enabled == CONFIG_BOOLEAN_AUTO && (cp->user || cp->system))) + if(unlikely(cp->enabled == CONFIG_BOOLEAN_AUTO && + (cp->user || cp->system || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) cp->enabled = CONFIG_BOOLEAN_YES; } } @@ -668,7 +670,8 @@ static inline void cgroup_read_cpuacct_usage(struct cpuacct_usage *ca) { ca->updated = 1; - if(unlikely(ca->enabled == CONFIG_BOOLEAN_AUTO && total)) + if(unlikely(ca->enabled == CONFIG_BOOLEAN_AUTO && + (total || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) ca->enabled = CONFIG_BOOLEAN_YES; } } @@ -737,7 +740,7 @@ static inline void cgroup_read_blkio(struct blkio *io) { io->updated = 1; if(unlikely(io->enabled == CONFIG_BOOLEAN_AUTO)) { - if(unlikely(io->Read || io->Write)) + if(unlikely(io->Read || io->Write || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)) io->enabled = CONFIG_BOOLEAN_YES; else io->delay_counter = cgroup_recheck_zero_blkio_every_iterations; @@ -787,7 +790,7 @@ static inline void cgroup2_read_blkio(struct blkio *io, unsigned int word_offset io->updated = 1; if(unlikely(io->enabled == CONFIG_BOOLEAN_AUTO)) { - if(unlikely(io->Read || io->Write)) + if(unlikely(io->Read || io->Write || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)) io->enabled = CONFIG_BOOLEAN_YES; else io->delay_counter = cgroup_recheck_zero_blkio_every_iterations; @@ -881,7 +884,8 @@ static inline void cgroup_read_memory(struct memory *mem, char parent_cg_is_unif if(( (!parent_cg_is_unified) && ( mem->total_cache || mem->total_dirty || mem->total_rss || mem->total_rss_huge || mem->total_mapped_file || mem->total_writeback || mem->total_swap || mem->total_pgpgin || mem->total_pgpgout || mem->total_pgfault || mem->total_pgmajfault)) || (parent_cg_is_unified && ( mem->anon || mem->total_dirty || mem->kernel_stack || mem->slab || mem->sock || mem->total_writeback - || mem->anon_thp || mem->total_pgfault || mem->total_pgmajfault))) + || mem->anon_thp || mem->total_pgfault || mem->total_pgmajfault)) + || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES) mem->enabled_detailed = CONFIG_BOOLEAN_YES; else mem->delay_counter_detailed = cgroup_recheck_zero_mem_detailed_every_iterations; @@ -893,14 +897,16 @@ memory_next: // read usage_in_bytes if(likely(mem->filename_usage_in_bytes)) { mem->updated_usage_in_bytes = !read_single_number_file(mem->filename_usage_in_bytes, &mem->usage_in_bytes); - if(unlikely(mem->updated_usage_in_bytes && mem->enabled_usage_in_bytes == CONFIG_BOOLEAN_AUTO && mem->usage_in_bytes)) + if(unlikely(mem->updated_usage_in_bytes && mem->enabled_usage_in_bytes == CONFIG_BOOLEAN_AUTO && + (mem->usage_in_bytes || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) mem->enabled_usage_in_bytes = CONFIG_BOOLEAN_YES; } // read msw_usage_in_bytes if(likely(mem->filename_msw_usage_in_bytes)) { mem->updated_msw_usage_in_bytes = !read_single_number_file(mem->filename_msw_usage_in_bytes, &mem->msw_usage_in_bytes); - if(unlikely(mem->updated_msw_usage_in_bytes && mem->enabled_msw_usage_in_bytes == CONFIG_BOOLEAN_AUTO && mem->msw_usage_in_bytes)) + if(unlikely(mem->updated_msw_usage_in_bytes && mem->enabled_msw_usage_in_bytes == CONFIG_BOOLEAN_AUTO && + (mem->msw_usage_in_bytes || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) mem->enabled_msw_usage_in_bytes = CONFIG_BOOLEAN_YES; } @@ -913,10 +919,10 @@ memory_next: else { mem->updated_failcnt = !read_single_number_file(mem->filename_failcnt, &mem->failcnt); if(unlikely(mem->updated_failcnt && mem->enabled_failcnt == CONFIG_BOOLEAN_AUTO)) { - if(unlikely(!mem->failcnt)) - mem->delay_counter_failcnt = cgroup_recheck_zero_mem_failcnt_every_iterations; - else + if(unlikely(mem->failcnt || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)) mem->enabled_failcnt = CONFIG_BOOLEAN_YES; + else + mem->delay_counter_failcnt = cgroup_recheck_zero_mem_failcnt_every_iterations; } } } |