diff mbox series

[14/36] xen/arch: add dump coloring info for domains

Message ID 20220304174701.1453977-15-marco.solieri@minervasys.tech (mailing list archive)
State New, archived
Headers show
Series Arm cache coloring | expand

Commit Message

Marco Solieri March 4, 2022, 5:46 p.m. UTC 
From: Luca Miccio <lucmiccio@gmail.com>

Print the color assignment for each domain when requested.

Signed-off-by: Luca Miccio <lucmiccio@gmail.com>
Signed-off-by: Marco Solieri <marco.solieri@minervasys.tech>
---
 xen/arch/arm/coloring.c             | 12 ++++++++++++
 xen/arch/arm/domain.c               |  1 +
 xen/arch/arm/include/asm/coloring.h |  7 +++++++
 3 files changed, 20 insertions(+)
diff mbox series

Patch

diff --git a/xen/arch/arm/coloring.c b/xen/arch/arm/coloring.c
index 382d558021..8061c3824f 100644
--- a/xen/arch/arm/coloring.c
+++ b/xen/arch/arm/coloring.c
@@ -332,6 +332,18 @@  static int __init parse_xen_colors(const char *s)
 }
 custom_param("xen_colors", parse_xen_colors);
 
+void coloring_dump_info(struct domain *d)
+{
+    int i;
+
+    printk("Domain %d has %u color(s) [ ", d->domain_id, d->max_colors);
+    for ( i = 0; i < d->max_colors; i++ )
+    {
+        printk("%"PRIu32" ", d->colors[i]);
+    }
+    printk("]\n");
+}
+
 /*
  * Local variables:
  * mode: C
diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
index 80a6f39464..fc12c79488 100644
--- a/xen/arch/arm/domain.c
+++ b/xen/arch/arm/domain.c
@@ -1131,6 +1131,7 @@  int domain_relinquish_resources(struct domain *d)
 void arch_dump_domain_info(struct domain *d)
 {
     p2m_dump_info(d);
+    coloring_dump_info(d);
 }
 
 
diff --git a/xen/arch/arm/include/asm/coloring.h b/xen/arch/arm/include/asm/coloring.h
index 1f7e0dde79..8609e17e80 100644
--- a/xen/arch/arm/include/asm/coloring.h
+++ b/xen/arch/arm/include/asm/coloring.h
@@ -40,10 +40,17 @@  bool check_domain_colors(struct domain *d);
  * color configuration.
  */
 uint32_t *setup_default_colors(uint32_t *col_num);
+
+void coloring_dump_info(struct domain *d);
 #else /* !CONFIG_COLORING */
 static inline bool __init coloring_init(void)
 {
     return true;
 }
+
+static inline void coloring_dump_info(struct domain *d)
+{
+    return;
+}
 #endif /* CONFIG_COLORING */
 #endif /* !__ASM_ARM_COLORING_H__ */