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From: eugene.loh@oracle.com
To: dtrace@lists.linux.dev, dtrace-devel@oss.oracle.com
Subject: [PATCH 16/19] Ignore clauses: use underlying probe's function information
Date: Thu, 29 Aug 2024 01:25:55 -0400	[thread overview]
Message-ID: <20240829052558.3525-16-eugene.loh@oracle.com> (raw)
In-Reply-To: <20240829052558.3525-1-eugene.loh@oracle.com>

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

Signed-off-by: Eugene Loh <eugene.loh@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


  parent reply	other threads:[~2024-08-29  5:26 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-29  5:25 [PATCH 01/19] Change probes from having lists of clauses to lists of stmts eugene.loh
2024-08-29  5:25 ` [PATCH 02/19] Add a hook for a provider-specific "update" function eugene.loh
2024-08-29  5:25 ` [PATCH 03/19] Widen the EPID to include the PRID eugene.loh
2024-08-29 20:28   ` [DTrace-devel] " Sam James
2024-08-29 20:38     ` Kris Van Hees
2024-08-29  5:25 ` [PATCH 04/19] Eliminate dt_pdesc eugene.loh
2024-09-03 17:47   ` Eugene Loh
2024-08-29  5:25 ` [PATCH 05/19] Add flag to dt_pid_create_probes() eugene.loh
2024-09-18 20:33   ` Kris Van Hees
2024-09-24 20:24     ` Eugene Loh
2024-08-29  5:25 ` [PATCH 06/19] Allow for USDT wildcards eugene.loh
2024-09-17 17:34   ` Eugene Loh
2024-08-29  5:25 ` [PATCH 07/19] Create the BPF usdt_prids map eugene.loh
2024-08-29  5:25 ` [PATCH 08/19] Support multiple overlying probes in the uprobe trampoline eugene.loh
2024-10-24  2:42   ` Kris Van Hees
2024-10-24 13:52     ` [DTrace-devel] " Kris Van Hees
2024-10-24 23:30       ` Eugene Loh
2024-10-25  0:14         ` Kris Van Hees
2024-08-29  5:25 ` [PATCH 09/19] Use usdt_prids map to call clauses conditionally for USDT probes eugene.loh
2024-08-29  5:25 ` [PATCH 10/19] Remove the is-enabled provider eugene.loh
2024-10-24 15:18   ` Kris Van Hees
2024-10-26  1:13     ` Eugene Loh
2024-08-29  5:25 ` [PATCH 11/19] Support USDT wildcard provider descriptions eugene.loh
2024-08-29  5:25 ` [PATCH 12/19] Increase size of BPF probes map eugene.loh
2024-08-29 20:30   ` [DTrace-devel] " Sam James
2024-10-08 22:15   ` Eugene Loh
2024-08-29  5:25 ` [PATCH 13/19] Get rid of relocatable EPID, dt_nextepid, and dt_ddesc[] eugene.loh
2024-09-03 17:49   ` Eugene Loh
2024-08-29  5:25 ` [PATCH 14/19] Ignore clauses in USDT trampoline if we know they are impossible eugene.loh
2024-08-29  5:25 ` [PATCH 15/19] Ignore clauses: some clauses are impossible regardless of uprp eugene.loh
2024-08-29 20:31   ` [DTrace-devel] " Sam James
2024-09-03 19:54     ` Eugene Loh
2024-09-03 20:10       ` Kris Van Hees
2024-08-29  5:25 ` eugene.loh [this message]
2024-10-24 16:52   ` [PATCH 16/19] Ignore clauses: use underlying probe's function information Kris Van Hees
2024-08-29  5:25 ` [PATCH 17/19] test: Add a pid-USDT test eugene.loh
2024-08-29 20:32   ` [DTrace-devel] " Sam James
2024-10-04  4:49     ` Eugene Loh
2024-10-04  5:51       ` Sam James
2024-08-29  5:25 ` [PATCH 18/19] test: Add a lazy USDT test eugene.loh
2024-09-28  2:11   ` Eugene Loh
2024-08-29  5:25 ` [PATCH 19/19] test: Add another USDT open/close test eugene.loh
2024-10-24 17:01   ` Kris Van Hees
2024-09-18 14:18 ` [PATCH 01/19] Change probes from having lists of clauses to lists of stmts Kris Van Hees

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