eBPF update dashboard (#12617)
thiagoftsm committed
Apr 11, 2022 at 14:02 UTC
461943319c79a623ba9147c210fe05cf090114e5
1 file changed
+103
-48
web/gui/dashboard_info.js
+103
-48
@@ -611,7 +611,7 @@ netdataDashboard.menu = {
611
'filesystem': {
612
title: 'Filesystem',
613
icon: '<i class="fas fa-hdd"></i>',
614
- info: 'Number of filesystem events for <a href="#menu_filesystem_submenu_vfs">Virtual File System</a>, <a href="#menu_filesystem_submenu_file_access">File Access</a>, <a href="#menu_filesystem_submenu_directory_cache__eBPF_">Directory cache</a>, and file system latency (<a href="#menu_filesystem_submenu_btrfs_latency">BTRFS</a>, <a href="#menu_filesystem_submenu_ext4_latency">EXT4</a>, <a href="#menu_filesystem_submenu_nfs_latency">NFS</a>, <a href="#menu_filesystem_submenu_xfs_latency">XFS</a>, and <a href="#menu_filesystem_submenu_xfs_latency">ZFS</a>) when your disk has the file system. Filesystem charts have relationship with <a href="#menu_system_submenu_swap">SWAP</a>, <a href="#menu_disk">Disk</a>, and <a href="#menu_mount">Mount Points</a>.'
614
+ info: 'Number of filesystem events for <a href="#menu_filesystem_submenu_vfs">Virtual File System</a>, <a href="#menu_filesystem_submenu_file_access">File Access</a>, <a href="#menu_filesystem_submenu_directory_cache__eBPF_">Directory cache</a>, and file system latency (<a href="#menu_filesystem_submenu_btrfs_latency">BTRFS</a>, <a href="#menu_filesystem_submenu_ext4_latency">EXT4</a>, <a href="#menu_filesystem_submenu_nfs_latency">NFS</a>, <a href="#menu_filesystem_submenu_xfs_latency">XFS</a>, and <a href="#menu_filesystem_submenu_xfs_latency">ZFS</a>) when your disk has the file system. Filesystem charts have relationship with <a href="#menu_system_submenu_swap">SWAP</a>, <a href="#menu_disk">Disk</a>, <a href="#menu_mem_submenu_synchronization__eBPF_">Sync</a>, and <a href="#menu_mount">Mount Points</a>.'
615
},
616
617
'vernemq': {
@@ -929,7 +929,7 @@ netdataDashboard.submenu = {
929
930
'mem.page_cache': {
931
title: 'page cache (eBPF)',
932
- info: 'Monitor calls to functions used to manipulate <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. When integration with apps is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, Netdata also shows page cache manipulation per <a href="#menu_apps_submenu_page_cache">application</a>.'
932
+ info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#memory" target="_blank">functions</a> used to manipulate the <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. This chart has a relationship with <a href="#menu_filesystem">File Systems</a>, <a href="#menu_mem_submenu_synchronization__eBPF_">Sync</a>, and <a href="#menu_disk">Hard Disk</a>.'
933
},
934
935
'apps.page_cache': {
@@ -1066,8 +1066,9 @@ netdataDashboard.submenu = {
1066
'netdata.ebpf': {
1067
title: 'eBPF.plugin',
1068
info: 'eBPF (extended Berkeley Packet Filter) is used to collect metrics from inside Linux kernel giving a zoom inside your <a href="#ebpf_system_process_thread">Process</a>, '+
1069
- '<a href="#menu_disk">Hard Disk</a>, <a href="#menu_filesystem">Filesystems</a> (<a href="#menu_filesystem_submenu_file_access">File Access</a>, and ' +
1070
- '<a href="#menu_filesystem_submenu_directory_cache__eBPF_">Directory Cache</a>).'
1069
+ '<a href="#menu_disk">Hard Disk</a>, <a href="#menu_filesystem">File systems</a> (<a href="#menu_filesystem_submenu_file_access">File Access</a>, and ' +
1070
+ '<a href="#menu_filesystem_submenu_directory_cache__eBPF_">Directory Cache</a>), Memory (<a href="#ebpf_global_swap">Swap I/O</a>, <a href="#menu_mem_submenu_page_cache">Page Cache</a>), ' +
1071
+ 'Syscalls (<a href="#menu_mem_submenu_synchronization__eBPF_">Sync</a>, <a href="#menu_mount_submenu_mount__eBPF_">Mount</a>), and Network.'
1072
},
1073
};
1074
@@ -1230,6 +1231,24 @@ const ebpfVFSCreate = 'Number of calls to <a href="https://learn.netdata.cloud/d
1231
const ebpfVFSCreateError = 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#vfs" target="_blank">VFS creator function</a>. Netdata gives a summary for this chart in ' +
1232
'<a href="#ebpf_global_vfs_create_error">Virtual File System</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
1233
'Netdata shows virtual file system per <a href="#ebpf_apps_vfs_create_error">application</a>.' + ebpfChartProvides
1234
+const ebpfSwapRead = 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#swap" target="_blank">swap reader function</a>. Netdata gives a summary for this chart in ' +
1235
+ '<a href="#ebpf_global_swap">System Overview</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
1236
+ 'Netdata shows swap per <a href="#ebpf_apps_swap_read">application</a>.' + ebpfChartProvides
1237
+const ebpfSwapWrite = 'Number of failed calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#swap" target="_blank">swap writer function</a>. Netdata gives a summary for this chart in ' +
1238
+ '<a href="#ebpf_global_swap">System Overview</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
1239
+ 'Netdata shows swap per <a href="#ebpf_apps_swap_write">application</a>.' + ebpfChartProvides
1240
+const ebpfCachestatRatio = 'The <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#page-cache-ratio" target="_blank">ratio</a> shows the percentage of data accessed directly in memory. ' +
1241
+ 'Netdata gives a summary for this chart in <a href="#menu_mem_submenu_page_cache">Memory</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
1242
+ 'Netdata shows page cache hit per <a href="#ebpf_apps_cachestat_ratio">application</a>.' + ebpfChartProvides
1243
+const ebpfCachestatDirties = 'Number of <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#dirty-pages" target="_blank">modified pages</a> in <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. ' +
1244
+ 'Netdata gives a summary for this chart in <a href="#ebpf_global_cachestat_dirty">Memory</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
1245
+ 'Netdata shows page cache hit per <a href="#ebpf_apps_cachestat_dirties">application</a>.' + ebpfChartProvides
1246
+const ebpfCachestatHits = 'Number of <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#page-cache-hits" target="_blank">access</a> to data in <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. ' +
1247
+ 'Netdata gives a summary for this chart in <a href="#ebpf_global_cachestat_hits">Memory</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
1248
+ 'Netdata shows page cache hit per <a href="#ebpf_apps_cachestat_hits">application</a>.' + ebpfChartProvides
1249
+const ebpfCachestatMisses = 'Number of <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#page-cache-misses" target="_blank">access</a> to data was not present in <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. ' +
1250
+ 'Netdata gives a summary for this chart in <a href="#ebpf_global_cachestat_misses">Memory</a>, and when the integration is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, ' +
1251
+ 'Netdata shows page cache misses per <a href="#ebpf_apps_cachestat_misses">application</a>.' + ebpfChartProvides
1252
1253
netdataDashboard.context = {
1254
'system.cpu': {
@@ -1436,7 +1455,7 @@ netdataDashboard.context = {
1455
},
1456
1457
'system.swapcalls': {
1439
- info: 'Monitor calls to functions <code>swap_readpage</code> and <code>swap_writepage</code>. When integration with apps is <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">enabled</a>, Netdata also shows swap access per <a href="#menu_apps_submenu_swap">application</a>.'
1458
+ info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#swap" target="_blank">functions</a> used to manipulate swap data. Netdata shows swap metrics per <a href="#ebpf_apps_swap_read">application</a> and <a href="#ebpf_services_swap_read">cgroup (systemd Services)</a> if <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">apps</a> or <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">cgroup (systemd Services)</a> plugins are enabled.' + ebpfChartProvides + '<div id="ebpf_global_swap"></div>'
1459
},
1460
1461
'system.ipc_semaphores': {
@@ -1699,35 +1718,35 @@ netdataDashboard.context = {
1718
},
1719
1720
'mem.cachestat_ratio': {
1702
- info: 'When the processor needs to read or write a location in main memory, it checks for a corresponding entry in the page cache. If the entry is there, a page cache hit has occurred and the read is from the cache. If the entry is not there, a page cache miss has occurred and the kernel allocates a new entry and copies in data from the disk. Netdata calculates the percentage of accessed files that are cached on memory. <a href="https://github.com/iovisor/bcc/blob/master/tools/cachestat.py#L126-L138" target="_blank">The ratio</a> is calculated counting the accessed cached pages (without counting dirty pages and pages added because of read misses) divided by total access without dirty pages.'
1721
+ info: 'The <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#page-cache-ratio" target="_blank">ratio</a> shows the percentage of data accessed directly in memory. Netdata shows the ratio per <a href="#ebpf_apps_cachestat_ratio">application</a> and <a href="#ebpf_services_cachestat_ratio">cgroup (systemd Services)</a> if <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">apps</a> or <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">cgroup (systemd Services)</a> plugins are enabled.' + ebpfChartProvides
1722
},
1723
1724
'mem.cachestat_dirties': {
1706
- info: 'Number of <a href="https://en.wikipedia.org/wiki/Page_cache#Memory_conservation" target="_blank">dirty(modified) pages</a> cache. Pages in the page cache modified after being brought in are called dirty pages. Since non-dirty pages in the page cache have identical copies in <a href="https://en.wikipedia.org/wiki/Secondary_storage" target="_blank">secondary storage</a> (e.g. hard disk drive or solid-state drive), discarding and reusing their space is much quicker than paging out application memory, and is often preferred over flushing the dirty pages into secondary storage and reusing their space.'
1725
+ info: 'Number of <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#dirty-pages" target="_blank">modified pages</a> in <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. Netdata shows the dity page <a href="#ebpf_apps_cachestat_dirties">application</a> and <a href="#ebpf_services_cachestat_dirties">cgroup (systemd Services)</a> if <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">apps</a> or <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">cgroup (systemd Services)</a> plugins are enabled.' + ebpfChartProvides + '<div id="ebpf_global_cachestat_dirty"></div>'
1726
},
1727
1728
'mem.cachestat_hits': {
1710
- info: 'When the processor needs to read or write a location in main memory, it checks for a corresponding entry in the page cache. If the entry is there, a page cache hit has occurred and the read is from the cache. Hits show pages accessed that were not modified (we are excluding dirty pages), this counting also excludes the recent pages inserted for read.'
1729
+ info: 'Number of <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#page-cache-hits" target="_blank">access</a> to data in <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. Netdata shows the hits per <a href="#ebpf_apps_cachestat_hits">application</a> and <a href="#ebpf_services_cachestat_hits">cgroup (systemd Services)</a> if <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">apps</a> or <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">cgroup (systemd Services)</a> plugins are enabled.' + ebpfChartProvides + '<div id="ebpf_global_cachestat_hits"></div>'
1730
},
1731
1732
'mem.cachestat_misses': {
1714
- info: 'When the processor needs to read or write a location in main memory, it checks for a corresponding entry in the page cache. If the entry is not there, a page cache miss has occurred and the cache allocates a new entry and copies in data for the main memory. Misses count page insertions to the memory not related to writing.'
1733
+ info: 'Number of <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#page-cache-misses" target="_blank">access</a> to data that was not present in <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. Netdata shows the missed access per <a href="#ebpf_apps_cachestat_misses">application</a> and <a href="#ebpf_services_cachestat_misses">cgroup (systemd Services)</a> if <a href="https://learn.netdata.cloud/guides/troubleshoot/monitor-debug-applications-ebpf" target="_blank">apps</a> or <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">cgroup (systemd Services)</a> plugins are enabled.' + ebpfChartProvides + '<div id="ebpf_global_cachestat_misses"></div>'
1734
},
1735
1736
'mem.sync': {
1718
- info: 'System calls for <a href="https://man7.org/linux/man-pages/man2/sync.2.html" target="_blank">sync() and syncfs()</a> which flush the file system buffers to storage devices. Performance perturbations might be caused by these calls. The <code>sync()</code> calls are based on the eBPF <a href="https://github.com/iovisor/bcc/blob/master/tools/syncsnoop.py" target="_blank">syncsnoop</a> from BCC tools.'
1737
+ info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-system-sync" target="_blank">syscalls</a> that sync filesystem metadata or cached. This chart has a relationship with <a href="#menu_filesystem">File systems</a> and Linux <a href="#menu_mem_submenu_page_cache">Page Cache</a>.' + ebpfChartProvides
1738
},
1739
1740
'mem.file_sync': {
1722
- info: 'System calls for <a href="https://man7.org/linux/man-pages/man2/fsync.2.html" target="_blank">fsync() and fdatasync()</a> transfer all modified page caches for the files on disk devices. These calls block until the device reports that the transfer has been completed.'
1741
+ info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-sync" target="_blank">syscalls</a> responsible to transfer modified Linux page cache to disk. This chart has a relationship with <a href="#menu_filesystem">File systems</a> and Linux <a href="#menu_mem_submenu_page_cache">Page Cache</a>.' + ebpfChartProvides
1742
},
1743
1744
'mem.memory_map': {
1726
- info: 'System calls for <a href="https://man7.org/linux/man-pages/man2/msync.2.html" target="_blank">msync()</a> which flushes changes made to the in-core copy of a file that was mapped.'
1745
+ info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#memory-map-sync" target="_blank">syscall</a> responsible to the in-core copy of a file that was mapped. This chart has a relationship with <a href="#menu_filesystem">File systems</a> and Linux <a href="#menu_mem_submenu_page_cache">Page Cache</a>.' + ebpfChartProvides
1746
},
1747
1748
'mem.file_segment': {
1730
- info: 'System calls for <a href="https://man7.org/linux/man-pages/man2/sync_file_range.2.html" target="_blank">sync_file_range()</a> permits fine control when synchronizing the open file referred to by the file descriptor fd with disk. This system call is extremely dangerous and should not be used in portable programs.'
1749
+ info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#file-range-sync" target="_blank">syscall</a> responsible to sync file segments. This chart has a relationship with <a href="#menu_filesystem">File systems</a> and Linux <a href="#menu_mem_submenu_page_cache">Page Cache</a>.' + ebpfChartProvides
1750
},
1751
1752
'filesystem.dc_hit_ratio': {
@@ -2834,6 +2853,22 @@ netdataDashboard.context = {
2853
info: 'The function <code>udp_recvmsg</code> is used to collect number of bytes received from UDP connections.'
2854
},
2855
2856
+ 'apps.cachestat_ratio' : {
2857
+ info: 'The <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#page-cache-ratio" target="_blank">ratio</a> shows the percentage of data accessed directly in memory. Netdata gives a summary for this chart in <a href="#menu_mem_submenu_page_cache">Memory</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, Netdata shows page cache hit per <a href="#ebpf_services_cachestat_ratio">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_cachestat_ratio"></div>'
2858
+ },
2859
+
2860
+ 'apps.cachestat_dirties' : {
2861
+ info: 'Number of <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#dirty-pages" target="_blank">modified pages</a> in <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. Netdata gives a summary for this chart in <a href="#ebpf_global_cachestat_dirty">Memory</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, Netdata shows page cache hit per <a href="#ebpf_services_cachestat_dirties">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_cachestat_dirties"></div>'
2862
+ },
2863
+
2864
+ 'apps.cachestat_hits' : {
2865
+ info: 'Number of <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#page-cache-hits" target="_blank">access</a> to data in <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. Netdata gives a summary for this chart in <a href="#ebpf_global_cachestat_hits">Memory</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, Netdata shows page cache hit per <a href="#ebpf_services_cachestat_hits">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_cachestat_hits"></div>'
2866
+ },
2867
+
2868
+ 'apps.cachestat_misses' : {
2869
+ info: 'Number of <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#page-cache-misses" target="_blank">access</a> to data was not present in <a href="https://en.wikipedia.org/wiki/Page_cache" target="_blank">Linux page cache</a>. Netdata gives a summary for this chart in <a href="#ebpf_global_cachestat_misses">Memory</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, Netdata shows page cache misses per <a href="#ebpf_services_cachestat_misses">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_cachestat_misses"></div>'
2870
+ },
2871
+
2872
'apps.dc_hit_ratio': {
2873
info: 'Percentage of file accesses that were present in the <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#directory-cache" target="_blank">directory cache</a>. Netdata gives a summary for this chart in <a href="#ebpf_dc_hit_ratio">directory cache</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, Netdata shows directory cache per <a href="#ebpf_services_dc_hit">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_dc_hit"></div>'
2874
},
@@ -2847,7 +2882,15 @@ netdataDashboard.context = {
2882
},
2883
2884
'apps.dc_not_found': {
2850
- info: 'Number of times a file was not found on the file system. Netdata gives a summary for this chart in <a href="#ebpf_dc_reference">directory cache</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, Netdata shows directory cache per <a href="#ebpf_services_dc_not_found">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_dc_not_found"></div>'
2885
+ info: 'Number of times a file was not found on the file system. Netdata gives a summary for this chart in <a href="#ebpf_dc_reference">directory cache</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, Netdata shows directory cache per <a href="#ebpf_services_dc_not_found">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_dc_not_found"></div>'
2886
+ },
2887
+
2888
+ 'apps.swap_read_call': {
2889
+ info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#swap">swap reader function</a>. Netdata gives a summary for this chart in <a href="#ebpf_global_swap">System Overview</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, Netdata shows swap metrics per <a href="#ebpf_services_swap_read">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_swap_read"></div>'
2890
+ },
2891
+
2892
+ 'apps.swap_write_call': {
2893
+ info: 'Number of calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#swap">swap writer function</a>. Netdata gives a summary for this chart in <a href="#ebpf_global_swap">System Overview</a>, and when the integration is <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#integration-with-cgroupsplugin" target="_blank">enabled</a>, Netdata shows swap metrics per <a href="#ebpf_services_swap_write">cgroup (systemd Services)</a>.' + ebpfChartProvides + '<div id="ebpf_apps_swap_write"></div>'
2894
},
2895
2896
// ------------------------------------------------------------------------
@@ -4078,11 +4121,11 @@ netdataDashboard.context = {
4121
},
4122
4123
'cgroup.swap_read': {
4081
- info: 'The function <code>swap_readpage</code> is called when the kernel reads a page from swap memory. This chart is provided by eBPF plugin.'
4124
+ info: ebpfSwapRead
4125
},
4126
4127
'cgroup.swap_write': {
4085
- info: 'The function <code>swap_writepage</code> is called when the kernel writes a page to swap memory. This chart is provided by eBPF plugin.'
4128
+ info: ebpfSwapWrite
4129
},
4130
4131
'cgroup.fd_open': {
@@ -4177,18 +4220,6 @@ netdataDashboard.context = {
4220
info: 'Percentage of file accesses that were present in the directory cache. 100% means that every file that was accessed was present in the directory cache. If files are not present in the directory cache 1) they are not present in the file system, 2) the files were not accessed before. Read more about <a href="https://www.kernel.org/doc/htmldocs/filesystems/the_directory_cache.html" target="_blank">directory cache</a>. Netdata also gives a summary for these charts in <a href="#menu_filesystem_submenu_directory_cache__eBPF_">Filesystem submenu</a>.'
4221
},
4222
4180
- 'cgroup.dc_reference': {
4181
- info: 'Counters of file accesses. <code>Reference</code> is when there is a file access, see the <code>filesystem.dc_reference</code> chart for more context. Read more about <a href="https://www.kernel.org/doc/htmldocs/filesystems/the_directory_cache.html" target="_blank">directory cache</a>.'
4182
- },
4183
-
4184
- 'cgroup.dc_not_cache': {
4185
- info: 'Counters of file accesses. <code>Slow</code> is when there is a file access and the file is not present in the directory cache, see the <code>filesystem.dc_reference</code> chart for more context. Read more about <a href="https://www.kernel.org/doc/htmldocs/filesystems/the_directory_cache.html" target="_blank">directory cache</a>.'
4186
- },
4187
-
4188
- 'cgroup.dc_not_found': {
4189
- info: 'Counters of file accesses. <code>Miss</code> is when there is file access and the file is not found in the filesystem, see the <code>filesystem.dc_reference</code> chart for more context. Read more about <a href="https://www.kernel.org/doc/htmldocs/filesystems/the_directory_cache.html" target="_blank">directory cache</a>.'
4190
- },
4191
-
4223
'cgroup.shmget': {
4224
info: 'Number of times the syscall <code>shmget</code> is called. Netdata also gives a summary for these charts in <a href="#menu_system_submenu_ipc_shared_memory">System overview</a>.'
4225
},
@@ -4233,22 +4264,38 @@ netdataDashboard.context = {
4264
info: 'The function <code>udp_recvmsg</code> is used to collect number of bytes received from UDP connections.'
4265
},
4266
4236
- 'cgroup.cachestat_ratio': {
4267
+ 'cgroup.dc_hit_ratio': {
4268
info: ebpfDCHit
4269
},
4270
4240
- 'cgroup.cachestat_dirties': {
4271
+ 'cgroup.dc_reference': {
4272
info: ebpfDCReference
4273
},
4274
4244
- 'cgroup.cachestat_hits': {
4275
+ 'cgroup.dc_not_cache': {
4276
info: ebpfDCNotCache
4277
},
4278
4248
- 'cgroup.cachestat_misses': {
4279
+ 'cgroup.dc_not_found': {
4280
info: ebpfDCNotFound
4281
},
4282
4283
+ 'cgroup.cachestat_ratio': {
4284
+ info: ebpfCachestatRatio
4285
+ },
4286
+
4287
+ 'cgroup.cachestat_dirties': {
4288
+ info: ebpfCachestatDirties
4289
+ },
4290
+
4291
+ 'cgroup.cachestat_hits': {
4292
+ info: ebpfCachestatHits
4293
+ },
4294
+
4295
+ 'cgroup.cachestat_misses': {
4296
+ info: ebpfCachestatMisses
4297
+ },
4298
+
4299
// ------------------------------------------------------------------------
4300
// containers (systemd)
4301
@@ -4368,11 +4415,11 @@ netdataDashboard.context = {
4415
},
4416
4417
'services.swap_read': {
4371
- info: 'The function <code>swap_readpage</code> is called when the kernel reads a page from swap memory. This chart is provided by eBPF plugin.'
4418
+ info: ebpfSwapRead + '<div id="ebpf_services_swap_read"></div>'
4419
},
4420
4421
'services.swap_write': {
4375
- info: 'The function <code>swap_writepage</code> is called when the kernel writes a page to swap memory. This chart is provided by eBPF plugin.'
4422
+ info: ebpfSwapWrite + '<div id="ebpf_services_swap_write"></div>'
4423
},
4424
4425
'services.fd_open': {
@@ -4463,22 +4510,38 @@ netdataDashboard.context = {
4510
info: ebpfTaskError + '<div id="ebpf_services_task_error"></div>'
4511
},
4512
4466
- 'services.cachestat_ratio': {
4513
+ 'services.dc_hit_ratio': {
4514
info: ebpfDCHit + '<div id="ebpf_services_dc_hit"></div>'
4515
},
4516
4470
- 'services.cachestat_dirties': {
4517
+ 'services.dc_reference': {
4518
info: ebpfDCReference + '<div id="ebpf_services_dc_reference"></div>'
4519
},
4520
4474
- 'services.cachestat_hits': {
4521
+ 'services.dc_not_cache': {
4522
info: ebpfDCNotCache + '<div id="ebpf_services_dc_not_cache"></div>'
4523
},
4524
4478
- 'services.cachestat_misses': {
4525
+ 'services.dc_not_found': {
4526
info: ebpfDCNotFound + '<div id="ebpf_services_dc_not_found"></div>'
4527
},
4528
4529
+ 'services.cachestat_ratio': {
4530
+ info: ebpfCachestatRatio + '<div id="ebpf_services_cachestat_ratio"></div>'
4531
+ },
4532
+
4533
+ 'services.cachestat_dirties': {
4534
+ info: ebpfCachestatDirties + '<div id="ebpf_services_cachestat_dirties"></div>'
4535
+ },
4536
+
4537
+ 'services.cachestat_hits': {
4538
+ info: ebpfCachestatHits + '<div id="ebpf_services_cachestat_hits"></div>'
4539
+ },
4540
+
4541
+ 'services.cachestat_misses': {
4542
+ info: ebpfCachestatMisses + '<div id="ebpf_services_cachestat_misses"></div>'
4543
+ },
4544
+
4545
'services.shmget': {
4546
info: 'Number of times the syscall <code>shmget</code> is called. Netdata also gives a summary for these charts in <a href="#menu_system_submenu_ipc_shared_memory">System overview</a>.'
4547
},
@@ -6069,11 +6132,11 @@ netdataDashboard.context = {
6132
},
6133
6134
'mount_points.call': {
6072
- info: 'Monitor calls to syscalls <code>mount(2)</code> and <code>umount(2)</code> that are responsible for attaching or removing filesystems.'
6135
+ info: 'Monitor calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#mount-points" target="_blank">syscalls</a> that are responsible for attaching (<code>mount(2)</code>) or removing filesystems (<code>umount(2)</code>). This chart has relationship with <a href="#menu_filesystem">File systems</a>.' + ebpfChartProvides
6136
},
6137
6138
'mount_points.error': {
6076
- info: 'Monitor errors in calls to syscalls <code>mount(2)</code> and <code>umount(2)</code>.'
6139
+ info: 'Monitor errors in calls to <a href="https://learn.netdata.cloud/docs/agent/collectors/ebpf.plugin#mount-points" target="_blank">syscalls</a> that are responsible for attaching (<code>mount(2)</code>) or removing filesystems (<code>umount(2)</code>). This chart has relationship with <a href="#menu_filesystem">File systems</a>.' + ebpfChartProvides
6140
},
6141
6142
'filesystem.file_descriptor': {
@@ -6091,14 +6154,6 @@ netdataDashboard.context = {
6154
// ------------------------------------------------------------------------
6155
// eBPF
6156
6094
- 'apps.swap_read_call': {
6095
- info: 'The function <code>swap_readpage</code> is called when the kernel reads a page from swap memory. Netdata also gives a summary for these charts in <a href="#menu_system_submenu_swap">System overview</a>.'
6096
- },
6097
-
6098
- 'apps.swap_write_call': {
6099
- info: 'The function <code>swap_writepage</code> is called when the kernel writes a page to swap memory.'
6100
- },
6101
-
6157
'apps.shmget_call': {
6158
info: 'Number of times the syscall <code>shmget</code> is called. Netdata also gives a summary for these charts in <a href="#menu_system_submenu_ipc_shared_memory">System overview</a>.'
6159
},