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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-03-31 12:59:21 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-03-31 12:59:21 +0000 |
commit | bb8713bbc1c4594366fc735c04910edbf4c61aab (patch) | |
tree | d7da56c0b89aa371dd8ad986995dd145fdf6670a /collectors/ebpf.plugin/ebpf_cachestat.h | |
parent | Releasing debian version 1.29.3-4. (diff) | |
download | netdata-bb8713bbc1c4594366fc735c04910edbf4c61aab.tar.xz netdata-bb8713bbc1c4594366fc735c04910edbf4c61aab.zip |
Merging upstream version 1.30.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'collectors/ebpf.plugin/ebpf_cachestat.h')
-rw-r--r-- | collectors/ebpf.plugin/ebpf_cachestat.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/collectors/ebpf.plugin/ebpf_cachestat.h b/collectors/ebpf.plugin/ebpf_cachestat.h new file mode 100644 index 000000000..daf678975 --- /dev/null +++ b/collectors/ebpf.plugin/ebpf_cachestat.h @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_EBPF_CACHESTAT_H +#define NETDATA_EBPF_CACHESTAT_H 1 + +// charts +#define NETDATA_CACHESTAT_HIT_RATIO_CHART "cachestat_ratio" +#define NETDATA_CACHESTAT_DIRTY_CHART "cachestat_dirties" +#define NETDATA_CACHESTAT_HIT_CHART "cachestat_hits" +#define NETDATA_CACHESTAT_MISSES_CHART "cachestat_misses" + +#define NETDATA_CACHESTAT_SUBMENU "page cache (eBPF)" + +#define EBPF_CACHESTAT_DIMENSION_PAGE "pages/s" +#define EBPF_CACHESTAT_DIMENSION_HITS "hits/s" +#define EBPF_CACHESTAT_DIMENSION_MISSES "misses/s" + +#define NETDATA_LATENCY_CACHESTAT_SLEEP_MS 600000ULL + +// configuration file +#define NETDATA_CACHESTAT_CONFIG_FILE "cachestat.conf" + +// variables +enum cachestat_counters { + NETDATA_KEY_CALLS_ADD_TO_PAGE_CACHE_LRU, + NETDATA_KEY_CALLS_MARK_PAGE_ACCESSED, + NETDATA_KEY_CALLS_ACCOUNT_PAGE_DIRTIED, + NETDATA_KEY_CALLS_MARK_BUFFER_DIRTY, + + NETDATA_CACHESTAT_END +}; + +enum cachestat_indexes { + NETDATA_CACHESTAT_IDX_RATIO, + NETDATA_CACHESTAT_IDX_DIRTY, + NETDATA_CACHESTAT_IDX_HIT, + NETDATA_CACHESTAT_IDX_MISS +}; + +enum cachesta_tables { + NETDATA_CACHESTAT_GLOBAL_STATS, + NETDATA_CACHESTAT_PID_STATS +}; + +typedef struct netdata_publish_cachestat_pid { + uint64_t add_to_page_cache_lru; + uint64_t mark_page_accessed; + uint64_t account_page_dirtied; + uint64_t mark_buffer_dirty; +} netdata_cachestat_pid_t; + +typedef struct netdata_publish_cachestat { + long long ratio; + long long dirty; + long long hit; + long long miss; + + netdata_cachestat_pid_t current; + netdata_cachestat_pid_t prev; +} netdata_publish_cachestat_t; + +extern void *ebpf_cachestat_thread(void *ptr); + +#endif // NETDATA_EBPF_CACHESTAT_H |