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feat(mem): add KernelStack field for ExVirtualMemory on linux #1986

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Merged
shirou merged 2 commits into from
Jan 4, 2026
Merged

feat(mem): add KernelStack field for ExVirtualMemory on linux #1986

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204625a
feat(mem): add KernelStack field for VirtualMemoryStat on linux
fosmjo Jul 19, 2025
0044053
[mem][linux]: move KernelStack to ExVirtualMemory struct
shirou Dec 31, 2025
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1 change: 1 addition & 0 deletions mem/ex_linux.go
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ type ExVirtualMemory struct {
InactiveAnon uint64 `json:"inactiveanon"`
Unevictable uint64 `json:"unevictable"`
Percpu uint64 `json:"percpu"`
KernelStack uint64 `json:"kernelstack"`
}

func (v ExVirtualMemory) String() string {
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6 changes: 6 additions & 0 deletions mem/mem_linux.go
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Expand Up @@ -187,6 +187,12 @@ func fillFromMeminfoWithContext(ctx context.Context) (*VirtualMemoryStat, *ExVir
return ret, retEx, err
}
ret.Sunreclaim = t * 1024
case "KernelStack":
t, err := strconv.ParseUint(value, 10, 64)
if err != nil {
return ret, retEx, err
}
retEx.KernelStack = t * 1024
case "PageTables":
t, err := strconv.ParseUint(value, 10, 64)
if err != nil {
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2 changes: 2 additions & 0 deletions mem/mem_linux_test.go
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Expand Up @@ -78,6 +78,7 @@ var virtualMemoryTests = []struct {
InactiveAnon: 1186612 * 1024,
Unevictable: 32 * 1024,
Percpu: 19136 * 1024,
KernelStack: 14224 * 1024,
},
},
{
Expand Down Expand Up @@ -127,6 +128,7 @@ var virtualMemoryTests = []struct {
InactiveAnon: 0,
Unevictable: 0,
Percpu: 0,
KernelStack: 624 * 1024,
},
},
{
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