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[PULL,39/54] contrib/plugins: reset skip when matching in execlog

Message ID 20221004130138.2299307-40-alex.bennee@linaro.org
State Accepted
Commit 8c1f1020d6e7dd329f5cf0cd8fd108dfb224eaec
Headers show
Series [PULL,01/54] scripts/ci/setup: ninja missing from build-environment | expand

Commit Message

Alex Bennée Oct. 4, 2022, 1:01 p.m. UTC 
The purpose of the matches was to only track the execution of
instructions we care about. Without resetting skip to the value at the
start of the block we end up dumping all instructions after the match
with the consequent load on the instrumentation.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Alexandre Iooss <erdnaxe@crans.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929114231.583801-40-alex.bennee@linaro.org>
diff mbox series

Patch

diff --git a/contrib/plugins/execlog.c b/contrib/plugins/execlog.c
index e659ac9cbb..1b3bb7ebba 100644
--- a/contrib/plugins/execlog.c
+++ b/contrib/plugins/execlog.c
@@ -88,7 +88,7 @@  static void vcpu_insn_exec(unsigned int cpu_index, void *udata)
 static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb)
 {
     struct qemu_plugin_insn *insn;
-    bool skip = (imatches || amatches) ? true : false;
+    bool skip = (imatches || amatches);
 
     size_t n = qemu_plugin_tb_n_insns(tb);
     for (size_t i = 0; i < n; i++) {
@@ -147,6 +147,9 @@  static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb)
             /* Register callback on instruction */
             qemu_plugin_register_vcpu_insn_exec_cb(insn, vcpu_insn_exec,
                                                    QEMU_PLUGIN_CB_NO_REGS, output);
+
+            /* reset skip */
+            skip = (imatches || amatches);
         }
 
     }