[DTrace-devel] [PATCH v4 7/7] uprobe: do not call populate_args() for pid probes
Kris Van Hees
kris.van.hees at oracle.com
Fri Aug 15 14:55:03 UTC 2025
Only USDT (regular and is-enabled) probes need populate_args().
Signed-off-by: Kris Van Hees <kris.van.hees at oracle.com>
Reviewed-by: Eugene Loh <eugene.loh at oracle.com>
---
libdtrace/dt_prov_uprobe.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/libdtrace/dt_prov_uprobe.c b/libdtrace/dt_prov_uprobe.c
index c63d58383..07b26f20f 100644
--- a/libdtrace/dt_prov_uprobe.c
+++ b/libdtrace/dt_prov_uprobe.c
@@ -986,6 +986,7 @@ static dt_probe_t *create_underlying(dtrace_hdl_t *dtp,
upp->flags |= PP_IS_ENABLED;
break;
case DTPPT_USDT:
+ case DTPPT_STAPSDT:
upp->flags |= PP_IS_USDT;
break;
default: ;
@@ -994,8 +995,10 @@ static dt_probe_t *create_underlying(dtrace_hdl_t *dtp,
*/
}
- if (populate_args(dtp, psp, upp) < 0)
- goto fail;
+ if (upp->flags & (PP_IS_ENABLED | PP_IS_USDT)) {
+ if (populate_args(dtp, psp, upp) < 0)
+ goto fail;
+ }
return uprp;
--
2.45.2
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