-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
* lttng-statedump.c
*
* Linux Trace Toolkit Next Generation Kernel State Dump
* Copyright 2005 Jean-Hugues Deschenes <jean-hugues.deschenes@polymtl.ca>
* Copyright 2006-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
* Changes:
* Eric Clement: Add listing of network IP interface
* 2006, 2007 Mathieu Desnoyers Fix kernel threads
DEFINE_TRACE(lttng_statedump_start);
DEFINE_TRACE(lttng_statedump_process_state);
DEFINE_TRACE(lttng_statedump_network_interface);
+#ifdef LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
+DEFINE_TRACE(lttng_statedump_cpu_topology);
+#endif
struct lttng_fd_ctx {
char *page;
return 0;
}
+#ifdef LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
+static
+int lttng_enumerate_cpu_topology(struct lttng_session *session)
+{
+ int cpu;
+ const cpumask_t *cpumask = cpu_possible_mask;
+
+ for (cpu = cpumask_first(cpumask); cpu < nr_cpu_ids;
+ cpu = cpumask_next(cpu, cpumask)) {
+ trace_lttng_statedump_cpu_topology(session, &cpu_data(cpu));
+ }
+
+ return 0;
+}
+#else
+static
+int lttng_enumerate_cpu_topology(struct lttng_session *session)
+{
+ return 0;
+}
+#endif
+
#if 0
/*
* FIXME: we cannot take a mmap_sem while in a RCU read-side critical section
default:
return ret;
}
+ ret = lttng_enumerate_cpu_topology(session);
+ if (ret)
+ return ret;
/* TODO lttng_dump_idt_table(session); */
/* TODO lttng_dump_softirq_vec(session); */