Merge "libprocessgroup: memcg v2 default MaxActivationDepth = 3" into main
diff --git a/init/libprefetch/prefetch/src/tracer/mem.rs b/init/libprefetch/prefetch/src/tracer/mem.rs
index f69ae80..42120da 100644
--- a/init/libprefetch/prefetch/src/tracer/mem.rs
+++ b/init/libprefetch/prefetch/src/tracer/mem.rs
@@ -320,8 +320,8 @@
// Convenience function to create regex. Used once per life of `record` but multiple times in
// case of tests.
pub fn get_trace_line_regex() -> Result<Regex, Error> {
- // TODO: Fix this Regex expression for 5.15 kernels. This expression
- // works only on 6.1+. Prior to 6.1, "<page>" was present in the output.
+ // `page=[hex]` entry exists in 5.x kernel format but not in 6.x.
+ // Conversely, `order=[digit]` entry exists in 6.x kernel format but not in 5.x.
Regex::new(concat!(
r"^\s+(?P<cmd_pid>\S+)",
r"\s+(?P<cpu>\S+)",
@@ -330,9 +330,10 @@
r"\s+mm_filemap_add_to_page_cache:",
r"\s+dev\s+(?P<major>[0-9]+):(?P<minor>[0-9]+)",
r"\s+ino\s+(?P<ino>\S+)",
- //r"\s+(?P<page>\S+)",
+ r"(?:\s+(?P<page>page=\S+))?",
r"\s+(?P<pfn>\S+)",
- r"\s+ofs=(?P<offset>[0-9]+)"
+ r"\s+ofs=(?P<offset>[0-9]+)",
+ r"(?:\s+(?P<order>\S+))?"
))
.map_err(|e| Error::Custom {
error: format!("create regex for tracing failed with: {}", e),
@@ -682,22 +683,30 @@
use super::*;
- static TRACE_BUFFER: &str = r#"
- Settingide-502 [001] .... 484.360292: mm_filemap_add_to_page_CACHE: dev 254:6 ino cf1 page=68d477 pfn=59833 ofs=32768
- Settingide-502 [001] .... 484.360311: mm_filemap_add_to_page_cache: dev 254:6 ino cf1 page=759458 pfn=59827 ofs=57344
- BOX_ENTDED-3071 [001] .... 485.276715: mm_filemap_add_to_pag_ecache: dev 254:6 ino 1 page=00cc1c pfn=81748 ofs=13574144
- BOX_ENTDED-3071 [001] .... 485.276990: mm_filemap_add_to_page_cache: dev 254:6 ino cf2 page=36540b pfn=60952 ofs=0
- .gms.peent-843 [001] .... 485.545516: mm_filemap_add_to_page_cache: dev 254:6 ino 1 page=002e8b pfn=58928 ofs=13578240
- .gms.peent-843 [001] .... 485.545820: mm_filemap_add_to_page_cache: dev 254:6 ino cf3 page=6233ce pfn=58108 ofs=0
- an.bg-459 [001] .... 494.029396: mm_filemap_add_to_page_cache: dev 254:3 ino 7cf page=c5b5c7 pfn=373933 ofs=1310720
- an.bg-459 [001] .... 494.029398: mm_filemap_add_to_page_cache: dev 254:3 ino 7cf page=b8b9ec pfn=410074 ofs=1314816
- "#;
+ static TRACE_BUFFER: &str = concat!(
+ // kernel 5.x
+ " Settingide-502 [001] .... 484.360292: mm_filemap_add_to_page_CACHE: dev 254:6 ino cf1 page=68d477 pfn=59833 ofs=32768\n",
+ " Settingide-502 [001] .... 484.360311: mm_filemap_add_to_page_cache: dev 254:6 ino cf1 page=759458 pfn=59827 ofs=57344\n",
+ " BOX_ENTDED-3071 [001] .... 485.276715: mm_filemap_add_to_pag_ecache: dev 254:6 ino 1 page=00cc1c pfn=81748 ofs=13574144\n",
+ " BOX_ENTDED-3071 [001] .... 485.276990: mm_filemap_add_to_page_cache: dev 254:6 ino cf2 page=36540b pfn=60952 ofs=0\n",
+ " .gms.peent-843 [001] .... 485.545516: mm_filemap_add_to_page_cache: dev 254:6 ino 1 page=002e8b pfn=58928 ofs=13578240\n",
+ " .gms.peent-843 [001] .... 485.545820: mm_filemap_add_to_page_cache: dev 254:6 ino cf3 page=6233ce pfn=58108 ofs=0\n",
+ " an.bg-459 [001] .... 494.029396: mm_filemap_add_to_page_cache: dev 254:3 ino 7cf page=c5b5c7 pfn=373933 ofs=1310720\n",
+ " an.bg-459 [001] .... 494.029398: mm_filemap_add_to_page_cache: dev 254:3 ino 7cf page=b8b9ec pfn=410074 ofs=1314816\n",
+
+ // kernel 6.x
+ " logcat-686 [006] ..... 148216.040320: mm_filemap_add_to_page_CACHE: dev 254:85 ino 3f15 pfn=0x213bc2 ofs=528384 order=0\n",
+ " logcat-686 [001] ..... 148217.776227: mm_filemap_add_to_page_cache: dev 254:85 ino 3f15 pfn=0x21d306 ofs=532480 order=0\n",
+ " logcat-686 [003] ..... 148219.044389: mm_filemap_add_to_pag_ecache: dev 254:85 ino 3f15 pfn=0x224b8d ofs=536576 order=0\n",
+ " logcat-686 [001] ..... 148220.780964: mm_filemap_add_to_page_cache: dev 254:85 ino 3f15 pfn=0x1bfe0a ofs=540672 order=0\n",
+ " logcat-686 [001] ..... 148223.046560: mm_filemap_add_to_page_cache: dev 254:85 ino 3f15 pfn=0x1f3d29 ofs=544768 order=0",
+ );
fn sample_mem_traces() -> (String, Vec<Option<TraceLineInfo>>) {
(
TRACE_BUFFER.to_owned(),
vec![
- None,
+ // 5.x
None,
Some(TraceLineInfo::from_fields(254, 6, 0xcf1, 57344, 484360311000)),
None,
@@ -706,7 +715,12 @@
Some(TraceLineInfo::from_fields(254, 6, 0xcf3, 0, 485545820000)),
Some(TraceLineInfo::from_fields(254, 3, 0x7cf, 1310720, 494029396000)),
Some(TraceLineInfo::from_fields(254, 3, 0x7cf, 1314816, 494029398000)),
+ // 6.x
None,
+ Some(TraceLineInfo::from_fields(254, 85, 0x3f15, 532480, 148217776227000)),
+ None,
+ Some(TraceLineInfo::from_fields(254, 85, 0x3f15, 540672, 148220780964000)),
+ Some(TraceLineInfo::from_fields(254, 85, 0x3f15, 544768, 148223046560000)),
],
)
}