metrics-probe: Add dynamic labelling support via name-value pairs
#4610
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It generates useful warning messages, like:
modules/metrics-probe/metrics-probe-grammar.y: error: 1 reduce/reduce conflict [-Werror=conflicts-rr]
modules/metrics-probe/metrics-probe-grammar.y: warning: reduce/reduce conflict on token ')' [-Wcounterexamples]
Example: •
First reduce derivation
metrics_probe_labels_opts
↳ metrics_probe_label_vp_opts
↳ $@3 vp_options
↳ • ↳ ε
Second reduce derivation
metrics_probe_labels_opts
↳ metrics_probe_label_templates
↳ •
Signed-off-by: Attila Szakacs <attila.szakacs@axoflow.com>
We will add labels dynamically with the help of value pairs, so we do not know the exact number of labels beforehand, so it is not safe to use alloca() anymore. Signed-off-by: Attila Szakacs <attila.szakacs@axoflow.com>
Signed-off-by: Attila Szakacs <attila.szakacs@axoflow.com>
Signed-off-by: Attila Szakacs <attila.szakacs@axoflow.com>
OverOrion
approved these changes
Aug 25, 2023
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You can use all value-pairs options, like
key(),rekey(),pair()orscope(), etc...Example:
Signed-off-by: Attila Szakacs attila.szakacs@axoflow.com