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systemctl: show fd store info in status output

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The fdstore might pin a non-trivial amount of resources. Let's hence
display for services that enable it how many entries there are and what
the size limit is.
This commit is contained in:
Lennart Poettering
2023-03-24 22:37:42 +01:00
committed by Yu Watanabe
parent 5f68f63e19
commit 8489c294f3
1 changed files with 8 additions and 0 deletions
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8
src/systemctl/systemctl-show.c
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@@ -207,6 +207,9 @@ typedef struct UnitStatusInfo {
bool running:1;
int status_errno;
uint32_t fd_store_max;
uint32_t n_fd_store;
usec_t start_timestamp;
usec_t exit_timestamp;
@@ -703,6 +706,9 @@ static void print_status_info(
printf("\n");
}
if (i->n_fd_store > 0 || i->fd_store_max > 0)
printf(" FD Store: %u%s (limit: %u)%s\n", i->n_fd_store, ansi_grey(), i->fd_store_max, ansi_normal());
if (i->memory_current != UINT64_MAX) {
printf(" Memory: %s", FORMAT_BYTES(i->memory_current));
@@ -1991,6 +1997,8 @@ static int show_one(
{ "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
{ "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
{ "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
{ "FileDescriptorStoreMax", "u", NULL, offsetof(UnitStatusInfo, fd_store_max) },
{ "NFileDescriptorStore", "u", NULL, offsetof(UnitStatusInfo, n_fd_store) },
{ "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
{ "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
{ "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },