[DTrace-devel] [PATCH 16/19] Ignore clauses: use underlying probe's function information

eugene.loh at oracle.com eugene.loh at oracle.com
Thu Aug 29 05:25:55 UTC 2024


From: Eugene Loh <eugene.loh at oracle.com>

Signed-off-by: Eugene Loh <eugene.loh at oracle.com>
---
 libdtrace/dt_prov_uprobe.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libdtrace/dt_prov_uprobe.c b/libdtrace/dt_prov_uprobe.c
index 454c53dc..9d163d70 100644
--- a/libdtrace/dt_prov_uprobe.c
+++ b/libdtrace/dt_prov_uprobe.c
@@ -291,6 +291,11 @@ ignore_clause(dtrace_hdl_t *dtp, int n, const dt_probe_t *uprp)
 	 * If USDT_FLAG_POSSIBLE, try to use uprp.
 	 */
 
+	/* We know what function we're in.  It must match the probe description (unless "-"). */
+	if (strcmp(pdp->fun, "-") != 0 &&
+	    !dt_gmatch(uprp->desc->fun, pdp->fun))
+		return 1;
+
 	return 0;
 }
 
-- 
2.43.5




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