robojerk/codeql-action

Apply scaling reserved RAM to large runners only

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This commit is contained in:
Henry Mercer 2023-07-21 17:35:34 +01:00
parent 18ae9813bf
commit fda93d8ef5
6 changed files with 16 additions and 16 deletions
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4
lib/util.js generated
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@ -109,9 +109,9 @@ function getSystemReservedMemoryMegaBytes(totalMemoryMegaBytes, platform, isScal
// Windows needs more memory for OS processes.
const fixedAmount = 1024 * (platform === "win32" ? 1.5 : 1);
if (isScalingReservedRamEnabled) {
// Reserve an additional 2% of the total memory, since the amount used by
// Reserve an additional 2.5% of the amount of memory above 8 GB, since the amount used by
// the kernel for page tables scales with the size of physical memory.
const scaledAmount = 0.02 * totalMemoryMegaBytes;
const scaledAmount = 0.025 * Math.max(totalMemoryMegaBytes - 8 * 1024, 0);
return fixedAmount + scaledAmount;
}
else {

2
lib/util.js.map
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File diff suppressed because one or more lines are too long

10
lib/util.test.js generated
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@ -45,21 +45,21 @@ const GET_MEMORY_FLAG_TESTS = [
totalMemoryMb: 8 * 1024,
platform: "linux",
expectedMemoryValue: 7 * 1024,
expectedMemoryValueWithScaling: 7004, // Math.floor(1024 * (8*0.98 - 1))
expectedMemoryValueWithScaling: 7 * 1024,
},
{
input: undefined,
totalMemoryMb: 8 * 1024,
platform: "win32",
expectedMemoryValue: 6.5 * 1024,
expectedMemoryValueWithScaling: 6492, // Math.floor(1024 * (8*0.98 - 1.5))
expectedMemoryValueWithScaling: 6.5 * 1024,
},
{
input: "",
totalMemoryMb: 8 * 1024,
platform: "linux",
expectedMemoryValue: 7 * 1024,
expectedMemoryValueWithScaling: 7004, // Math.floor(1024 * (8*0.98 - 1))
expectedMemoryValueWithScaling: 7 * 1024,
},
{
input: "512",
@ -73,14 +73,14 @@ const GET_MEMORY_FLAG_TESTS = [
totalMemoryMb: 64 * 1024,
platform: "linux",
expectedMemoryValue: 63 * 1024,
expectedMemoryValueWithScaling: 63201, // Math.floor(1024 * (64*0.98 - 1))
expectedMemoryValueWithScaling: 63078, // Math.floor(1024 * (64 - 1 - 0.025 * (64 - 8)))
},
{
input: undefined,
totalMemoryMb: 64 * 1024,
platform: "win32",
expectedMemoryValue: 62.5 * 1024,
expectedMemoryValueWithScaling: 62689, // Math.floor(1024 * (64*0.98 - 1.5))
expectedMemoryValueWithScaling: 62566, // Math.floor(1024 * (64 - 1.5 - 0.025 * (64 - 8)))
},
];
for (const { input, totalMemoryMb, platform, expectedMemoryValue, expectedMemoryValueWithScaling, } of GET_MEMORY_FLAG_TESTS) {

2
lib/util.test.js.map
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10
src/util.test.ts
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@ -25,21 +25,21 @@ const GET_MEMORY_FLAG_TESTS = [
totalMemoryMb: 8 * 1024,
platform: "linux",
expectedMemoryValue: 7 * 1024,
expectedMemoryValueWithScaling: 7004, // Math.floor(1024 * (8*0.98 - 1))
expectedMemoryValueWithScaling: 7 * 1024,
},
{
input: undefined,
totalMemoryMb: 8 * 1024,
platform: "win32",
expectedMemoryValue: 6.5 * 1024,
expectedMemoryValueWithScaling: 6492, // Math.floor(1024 * (8*0.98 - 1.5))
expectedMemoryValueWithScaling: 6.5 * 1024,
},
{
input: "",
totalMemoryMb: 8 * 1024,
platform: "linux",
expectedMemoryValue: 7 * 1024,
expectedMemoryValueWithScaling: 7004, // Math.floor(1024 * (8*0.98 - 1))
expectedMemoryValueWithScaling: 7 * 1024,
},
{
input: "512",
@ -53,14 +53,14 @@ const GET_MEMORY_FLAG_TESTS = [
totalMemoryMb: 64 * 1024,
platform: "linux",
expectedMemoryValue: 63 * 1024,
expectedMemoryValueWithScaling: 63201, // Math.floor(1024 * (64*0.98 - 1))
expectedMemoryValueWithScaling: 63078, // Math.floor(1024 * (64 - 1 - 0.025 * (64 - 8)))
},
{
input: undefined,
totalMemoryMb: 64 * 1024,
platform: "win32",
expectedMemoryValue: 62.5 * 1024,
expectedMemoryValueWithScaling: 62689, // Math.floor(1024 * (64*0.98 - 1.5))
expectedMemoryValueWithScaling: 62566, // Math.floor(1024 * (64 - 1.5 - 0.025 * (64 - 8)))
},
];

4
src/util.ts
View file

@ -160,9 +160,9 @@ function getSystemReservedMemoryMegaBytes(
const fixedAmount = 1024 * (platform === "win32" ? 1.5 : 1);
if (isScalingReservedRamEnabled) {
// Reserve an additional 2% of the total memory, since the amount used by
// Reserve an additional 2.5% of the amount of memory above 8 GB, since the amount used by
// the kernel for page tables scales with the size of physical memory.
const scaledAmount = 0.02 * totalMemoryMegaBytes;
const scaledAmount = 0.025 * Math.max(totalMemoryMegaBytes - 8 * 1024, 0);
return fixedAmount + scaledAmount;
} else {
return fixedAmount;