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use stack buffer for log allocator to avoid logging it's own allocations

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This commit is contained in:
Laytan Laats
2023-12-19 23:25:22 +01:00
parent b89fc9191c
commit 46250168d6
1 changed files with 42 additions and 46 deletions
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88
core/log/log_allocator.odin
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@@ -1,6 +1,7 @@
package log
import "core:runtime"
import "core:fmt"
Log_Allocator_Format :: enum {
Bytes, // Actual number of bytes.
@@ -37,72 +38,71 @@ log_allocator_proc :: proc(allocator_data: rawptr, mode: runtime.Allocator_Mode,
old_memory: rawptr, old_size: int, location := #caller_location) -> ([]byte, runtime.Allocator_Error) {
la := (^Log_Allocator)(allocator_data)
if context.logger.procedure == nil || la.level < context.logger.lowest_level {
return la.allocator.procedure(la.allocator.data, mode, size, alignment, old_memory, old_size, location)
}
padding := " " if la.prefix != "" else ""
buf: [256]byte = ---
if !la.locked {
la.locked = true
defer la.locked = false
switch mode {
case .Alloc:
fmt: string
format: string
switch la.size_fmt {
case .Bytes: fmt = "%s%s>>> ALLOCATOR(mode=.Alloc, size=%d, alignment=%d)"
case .Human: fmt = "%s%s>>> ALLOCATOR(mode=.Alloc, size=%m, alignment=%d)"
case .Bytes: format = "%s%s>>> ALLOCATOR(mode=.Alloc, size=%d, alignment=%d)"
case .Human: format = "%s%s>>> ALLOCATOR(mode=.Alloc, size=%m, alignment=%d)"
}
logf(la.level, fmt, la.prefix, padding, size, alignment, location = location)
str := fmt.bprintf(buf[:], format, la.prefix, padding, size, alignment)
context.logger.procedure(context.logger.data, la.level, str, context.logger.options, location)
case .Alloc_Non_Zeroed:
fmt: string
format: string
switch la.size_fmt {
case .Bytes: fmt = "%s%s>>> ALLOCATOR(mode=.Alloc_Non_Zeroed, size=%d, alignment=%d)"
case .Human: fmt = "%s%s>>> ALLOCATOR(mode=.Alloc_Non_Zeroed, size=%m, alignment=%d)"
case .Bytes: format = "%s%s>>> ALLOCATOR(mode=.Alloc_Non_Zeroed, size=%d, alignment=%d)"
case .Human: format = "%s%s>>> ALLOCATOR(mode=.Alloc_Non_Zeroed, size=%m, alignment=%d)"
}
logf(la.level, fmt, la.prefix, padding, size, alignment, location = location)
str := fmt.bprintf(buf[:], format, la.prefix, padding, size, alignment)
context.logger.procedure(context.logger.data, la.level, str, context.logger.options, location)
case .Free:
if old_size != 0 {
fmt: string
format: string
switch la.size_fmt {
case .Bytes: fmt = "%s%s<<< ALLOCATOR(mode=.Free, ptr=%p, size=%d)"
case .Human: fmt = "%s%s<<< ALLOCATOR(mode=.Free, ptr=%p, size=%m)"
case .Bytes: format = "%s%s<<< ALLOCATOR(mode=.Free, ptr=%p, size=%d)"
case .Human: format = "%s%s<<< ALLOCATOR(mode=.Free, ptr=%p, size=%m)"
}
logf(la.level, fmt, la.prefix, padding, old_memory, old_size, location = location)
str := fmt.bprintf(buf[:], format, la.prefix, padding, old_memory, old_size)
context.logger.procedure(context.logger.data, la.level, str, context.logger.options, location)
} else {
logf(
la.level,
"%s%s<<< ALLOCATOR(mode=.Free, ptr=%p)",
la.prefix, padding, old_memory,
location = location,
)
str := fmt.bprintf(buf[:], "%s%s<<< ALLOCATOR(mode=.Free, ptr=%p)", la.prefix, padding, old_memory)
context.logger.procedure(context.logger.data, la.level, str, context.logger.options, location)
}
case .Free_All:
logf(
la.level,
"%s%s<<< ALLOCATOR(mode=.Free_All)",
la.prefix, padding,
location = location,
)
str := fmt.bprintf(buf[:], "%s%s<<< ALLOCATOR(mode=.Free_All)", la.prefix, padding)
context.logger.procedure(context.logger.data, la.level, str, context.logger.options, location)
case .Resize:
fmt: string
format: string
switch la.size_fmt {
case .Bytes: fmt = "%s%s>>> ALLOCATOR(mode=.Resize, ptr=%p, old_size=%d, size=%d, alignment=%d)"
case .Human: fmt = "%s%s>>> ALLOCATOR(mode=.Resize, ptr=%p, old_size=%m, size=%m, alignment=%d)"
case .Bytes: format = "%s%s>>> ALLOCATOR(mode=.Resize, ptr=%p, old_size=%d, size=%d, alignment=%d)"
case .Human: format = "%s%s>>> ALLOCATOR(mode=.Resize, ptr=%p, old_size=%m, size=%m, alignment=%d)"
}
logf(la.level, fmt, la.prefix, padding, old_memory, old_size, size, alignment, location = location)
str := fmt.bprintf(buf[:], format, la.prefix, padding, old_memory, old_size, size, alignment)
context.logger.procedure(context.logger.data, la.level, str, context.logger.options, location)
case .Query_Features:
logf(
la.level,
"%s%sALLOCATOR(mode=.Query_Features)",
la.prefix, padding,
location = location,
)
str := fmt.bprintf(buf[:], "%s%sALLOCATOR(mode=.Query_Features)", la.prefix, padding)
context.logger.procedure(context.logger.data, la.level, str, context.logger.options, location)
case .Query_Info:
logf(
la.level,
"%s%sALLOCATOR(mode=.Query_Info)",
la.prefix, padding,
location = location,
)
str := fmt.bprintf(buf[:], "%s%sALLOCATOR(mode=.Query_Info)", la.prefix, padding)
context.logger.procedure(context.logger.data, la.level, str, context.logger.options, location)
}
}
@@ -111,12 +111,8 @@ log_allocator_proc :: proc(allocator_data: rawptr, mode: runtime.Allocator_Mode,
la.locked = true
defer la.locked = false
if err != nil {
logf(
la.level,
"%s%sALLOCATOR ERROR=%v",
la.prefix, padding, err,
location = location,
)
str := fmt.bprintf(buf[:], "%s%sALLOCATOR ERROR=%v", la.prefix, padding, err)
context.logger.procedure(context.logger.data, la.level, str, context.logger.options, location)
}
}
return data, err