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test: hook into PID in tracing tests

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This makes sure to NOT hook into other bitcoind binaries run in
paralell in the test framework. We only want to trace the intended
binary.

In interface_usdt_utxocache.py:
While testing the utxocache flush with pruning, bitcoind is
restarted and we need to hook into the new PID again.
This commit is contained in:
0xb10c 2022-07-01 13:08:49 +02:00
parent 4129c13754
commit 220a5a2841
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GPG key ID: E2FFD5B1D88CA97D
3 changed files with 14 additions and 5 deletions
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2
test/functional/interface_usdt_net.py
View file

@ -109,7 +109,7 @@ class NetTracepointTest(BitcoinTestFramework):
self.log.info(
"hook into the net:inbound_message and net:outbound_message tracepoints")
ctx = USDT(path=str(self.options.bitcoind))
ctx = USDT(pid=self.nodes[0].process.pid)
ctx.enable_probe(probe="net:inbound_message",
fn_name="trace_inbound_message")
ctx.enable_probe(probe="net:outbound_message",

15
test/functional/interface_usdt_utxocache.py
View file

@ -173,7 +173,7 @@ class UTXOCacheTracepointTest(BitcoinTestFramework):
invalid_tx.vin[0].prevout.hash = int(block_1_coinbase_txid, 16)
self.log.info("hooking into the utxocache:uncache tracepoint")
ctx = USDT(path=str(self.options.bitcoind))
ctx = USDT(pid=self.nodes[0].process.pid)
ctx.enable_probe(probe="utxocache:uncache",
fn_name="trace_utxocache_uncache")
bpf = BPF(text=utxocache_changes_program, usdt_contexts=[ctx], debug=0)
@ -238,7 +238,7 @@ class UTXOCacheTracepointTest(BitcoinTestFramework):
self.log.info(
"hook into the utxocache:add and utxocache:spent tracepoints")
ctx = USDT(path=str(self.options.bitcoind))
ctx = USDT(pid=self.nodes[0].process.pid)
ctx.enable_probe(probe="utxocache:add", fn_name="trace_utxocache_add")
ctx.enable_probe(probe="utxocache:spent",
fn_name="trace_utxocache_spent")
@ -334,7 +334,7 @@ class UTXOCacheTracepointTest(BitcoinTestFramework):
self.log.info("test the utxocache:flush tracepoint API")
self.log.info("hook into the utxocache:flush tracepoint")
ctx = USDT(path=str(self.options.bitcoind))
ctx = USDT(pid=self.nodes[0].process.pid)
ctx.enable_probe(probe="utxocache:flush",
fn_name="trace_utxocache_flush")
bpf = BPF(text=utxocache_flushes_program, usdt_contexts=[ctx], debug=0)
@ -373,6 +373,7 @@ class UTXOCacheTracepointTest(BitcoinTestFramework):
self.stop_node(0)
bpf.perf_buffer_poll(timeout=200)
bpf.cleanup()
self.log.info("check that we don't expect additional flushes")
assert_equal(0, len(expected_flushes))
@ -381,6 +382,14 @@ class UTXOCacheTracepointTest(BitcoinTestFramework):
self.log.info("restart the node with -prune")
self.start_node(0, ["-fastprune=1", "-prune=1"])
self.log.info("test the utxocache:flush tracepoint API with pruning")
self.log.info("hook into the utxocache:flush tracepoint")
ctx = USDT(pid=self.nodes[0].process.pid)
ctx.enable_probe(probe="utxocache:flush",
fn_name="trace_utxocache_flush")
bpf = BPF(text=utxocache_flushes_program, usdt_contexts=[ctx], debug=0)
bpf["utxocache_flush"].open_perf_buffer(handle_utxocache_flush)
BLOCKS_TO_MINE = 350
self.log.info(f"mine {BLOCKS_TO_MINE} blocks to be able to prune")
self.generate(self.wallet, BLOCKS_TO_MINE)

2
test/functional/interface_usdt_validation.py
View file

@ -94,7 +94,7 @@ class ValidationTracepointTest(BitcoinTestFramework):
expected_blocks = list()
self.log.info("hook into the validation:block_connected tracepoint")
ctx = USDT(path=str(self.options.bitcoind))
ctx = USDT(pid=self.nodes[0].process.pid)
ctx.enable_probe(probe="validation:block_connected",
fn_name="trace_block_connected")
bpf = BPF(text=validation_blockconnected_program,