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trace: Instrument lightningd startup sequence

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Should tell us where we're spending time.
This commit is contained in:
Christian Decker
2023-07-27 14:43:54 +09:30
committed by Rusty Russell
parent ed8d3336c9
commit 7743062928
2 changed files with 25 additions and 0 deletions
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19
lightningd/lightningd.c
View File

@@ -52,6 +52,7 @@
#include <common/hsm_encryption.h>
#include <common/memleak.h>
#include <common/timeout.h>
#include <common/trace.h>
#include <common/type_to_string.h>
#include <common/version.h>
#include <db/exec.h>
@@ -924,6 +925,8 @@ int main(int argc, char *argv[])
char **orig_argv;
bool try_reexec;
trace_span_start("lightningd/startup", argv);
/*~ We fork out new processes very very often; every channel gets its
* own process, for example, and we have `hsmd` and `gossipd` and
* the plugins as well.
@@ -1023,7 +1026,9 @@ int main(int argc, char *argv[])
/*~ Initialize all the plugins we just registered, so they can
* do their thing and tell us about themselves (including
* options registration). */
trace_span_start("plugins/init", ld->plugins);
plugins_init(ld->plugins);
trace_span_end(ld->plugins);
/*~ If the plugis are misconfigured we don't want to proceed. A
* misconfiguration could for example be a plugin marked as important
@@ -1047,8 +1052,10 @@ int main(int argc, char *argv[])
* but the `dev_no_version_checks` field of `ld` doesn't even exist
* if DEVELOPER isn't defined, so we use IFDEV(devoption,non-devoption):
*/
trace_span_start("test_subdaemons", ld);
if (IFDEV(!ld->dev_no_version_checks, 1))
test_subdaemons(ld);
trace_span_end(ld);
/*~ Set up the HSM daemon, which knows our node secret key, so tells
* us who we are.
@@ -1057,7 +1064,9 @@ int main(int argc, char *argv[])
* standard of key storage; ours is in software for now, so the name
* doesn't really make sense, but we can't call it the Badly-named
* Daemon Software Module. */
trace_span_start("hsmd_init", ld);
ld->bip32_base = hsm_init(ld);
trace_span_end(ld);
/*~ We have bearer tokens called `runes` you can use to control access. They have
* a fascinating history which I shall not go into now, but they're derived from
@@ -1069,7 +1078,9 @@ int main(int argc, char *argv[])
/*~ Our "wallet" code really wraps the db, which is more than a simple
* bitcoin wallet (though it's that too). It also stores channel
* states, invoices, payments, blocks and bitcoin transactions. */
trace_span_start("wallet_new", ld);
ld->wallet = wallet_new(ld, ld->timers);
trace_span_end(ld);
/*~ We keep a filter of scriptpubkeys we're interested in. */
ld->owned_txfilter = txfilter_new(ld);
@@ -1091,7 +1102,9 @@ int main(int argc, char *argv[])
* which knows (via node_announcement messages) the public
* addresses of nodes, so connectd_init hands it one end of a
* socket pair, and gives us the other */
trace_span_start("connectd_init", ld);
connectd_gossipd_fd = connectd_init(ld);
trace_span_end(ld);
/*~ We do every database operation within a transaction; usually this
* is covered by the infrastructure (eg. opening a transaction before
@@ -1109,7 +1122,9 @@ int main(int argc, char *argv[])
errx(EXITCODE_WALLET_DB_MISMATCH, "Wallet sanity check failed.");
/*~ Initialize the transaction filter with our pubkeys. */
trace_span_start("init_txfilter", ld->wallet);
init_txfilter(ld->wallet, ld->bip32_base, ld->owned_txfilter);
trace_span_end(ld->wallet);
/*~ Get the blockheight we are currently at, UINT32_MAX is used to signal
* an uninitialized wallet and that we should start off of bitcoind's
@@ -1135,7 +1150,9 @@ int main(int argc, char *argv[])
/*~ Initialize block topology. This does its own io_loop to
* talk to bitcoind, so does its own db transactions. */
trace_span_start("setup_topology", ld->topology);
setup_topology(ld->topology, min_blockheight, max_blockheight);
trace_span_end(ld->topology);
db_begin_transaction(ld->wallet->db);
@@ -1186,6 +1203,8 @@ int main(int argc, char *argv[])
/*~ Now handle sigchld, so we can clean up appropriately. */
sigchld_conn = notleak(io_new_conn(ld, sigchld_rfd, sigchld_rfd_in, ld));
trace_span_end(argv);
/*~ Mark ourselves live.
*
* Note the use of type_to_string() here: it's a typesafe formatter,

6
lightningd/test/run-find_my_abspath.c
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@@ -221,6 +221,12 @@ void towire_channel_id(u8 **pptr UNNEEDED, const struct channel_id *channel_id U
/* Generated stub for towire_node_id */
void towire_node_id(u8 **pptr UNNEEDED, const struct node_id *id UNNEEDED)
{ fprintf(stderr, "towire_node_id called!\n"); abort(); }
/* Generated stub for trace_span_end */
void trace_span_end(const void *key UNNEEDED)
{ fprintf(stderr, "trace_span_end called!\n"); abort(); }
/* Generated stub for trace_span_start */
void trace_span_start(const char *name UNNEEDED, const void *key UNNEEDED)
{ fprintf(stderr, "trace_span_start called!\n"); abort(); }
/* Generated stub for txfilter_add_derkey */
void txfilter_add_derkey(struct txfilter *filter UNNEEDED,
const u8 derkey[PUBKEY_CMPR_LEN])