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go_labels: introduce map scaler to handle more processes #1058

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Merged
christos68k merged 2 commits into from
Jan 14, 2026
Merged

go_labels: introduce map scaler to handle more processes #1058

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03e1d9c
go_labels: introduce map scaler to handle more processes
florianl Jan 12, 2026
be17679
drop configuration option
florianl Jan 13, 2026
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8 changes: 8 additions & 0 deletions support/ebpf/go_labels.ebpf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,14 @@
#include "tsd.h"
#include "types.h"

// go_labels_procs stores Go label specific offsets per Go process.
struct go_labels_procs_t {
__uint(type, BPF_MAP_TYPE_HASH);
__type(key, pid_t);
__type(value, GoLabelsOffsets);
__uint(max_entries, 1024);
} go_labels_procs SEC(".maps");

static EBPF_INLINE bool
get_go_custom_labels_from_slice(PerCPURecord *record, void *labels_slice_ptr)
{
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7 changes: 0 additions & 7 deletions support/ebpf/interpreter_dispatcher.ebpf.c
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Expand Up @@ -125,13 +125,6 @@ struct apm_int_procs_t {
__uint(max_entries, 128);
} apm_int_procs SEC(".maps");

struct go_labels_procs_t {
__uint(type, BPF_MAP_TYPE_HASH);
__type(key, pid_t);
__type(value, GoLabelsOffsets);
__uint(max_entries, 128);
} go_labels_procs SEC(".maps");

// filter_error_frames is set during load time.
BPF_RODATA_VAR(bool, filter_error_frames, false)

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