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| author | Sandrine Bailleux <sandrine.bailleux@arm.com> | 2017-05-26 15:47:08 +0100 |
|---|---|---|
| committer | Sandrine Bailleux <sandrine.bailleux@arm.com> | 2017-07-25 13:09:00 +0100 |
| commit | 0350bc6d05f05a3007aead7138297c9f4aef1c5a (patch) | |
| tree | 62c10f78c6d30cba6c6843ff28a6f4a74285882a /lib/xlat_tables_v2 | |
| parent | aa965e1583349b36ce7edd2b3fe9f1f461ef8b23 (diff) | |
| download | arm-trusted-firmware-0350bc6d05f05a3007aead7138297c9f4aef1c5a.tar.gz | |
xlat lib v2: Print some debug statistics
This patch adds some debug prints to display some statistics about page
tables usage. They are printed only if the LOG_LEVEL is at least 50
(i.e. VERBOSE).
Sample output for BL1:
VERBOSE: Translation tables state:
VERBOSE: Max allowed PA: 0xffffffff
VERBOSE: Max allowed VA: 0xffffffff
VERBOSE: Max mapped PA: 0x7fffffff
VERBOSE: Max mapped VA: 0x7fffffff
VERBOSE: Initial lookup level: 1
VERBOSE: Entries @initial lookup level: 4
VERBOSE: Used 4 sub-tables out of 5 (spare: 1)
Change-Id: If38956902e9616cdcd6065ecd140fe21482597ea
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Diffstat (limited to 'lib/xlat_tables_v2')
| -rw-r--r-- | lib/xlat_tables_v2/xlat_tables_internal.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/xlat_tables_v2/xlat_tables_internal.c b/lib/xlat_tables_v2/xlat_tables_internal.c index f60d78c10..91e02d3d1 100644 --- a/lib/xlat_tables_v2/xlat_tables_internal.c +++ b/lib/xlat_tables_v2/xlat_tables_internal.c @@ -1042,6 +1042,30 @@ static void xlat_tables_print_internal(const uintptr_t table_base_va, void xlat_tables_print(xlat_ctx_t *ctx) { #if LOG_LEVEL >= LOG_LEVEL_VERBOSE + VERBOSE("Translation tables state:\n"); + VERBOSE(" Max allowed PA: 0x%llx\n", ctx->pa_max_address); + VERBOSE(" Max allowed VA: %p\n", (void *) ctx->va_max_address); + VERBOSE(" Max mapped PA: 0x%llx\n", ctx->max_pa); + VERBOSE(" Max mapped VA: %p\n", (void *) ctx->max_va); + + VERBOSE(" Initial lookup level: %i\n", ctx->base_level); + VERBOSE(" Entries @initial lookup level: %i\n", + ctx->base_table_entries); + + int used_page_tables; +#if PLAT_XLAT_TABLES_DYNAMIC + used_page_tables = 0; + for (int i = 0; i < ctx->tables_num; ++i) { + if (ctx->tables_mapped_regions[i] != 0) + ++used_page_tables; + } +#else + used_page_tables = ctx->next_table; +#endif + VERBOSE(" Used %i sub-tables out of %i (spare: %i)\n", + used_page_tables, ctx->tables_num, + ctx->tables_num - used_page_tables); + xlat_tables_print_internal(0, ctx->base_table, ctx->base_table_entries, ctx->base_level, ctx->execute_never_mask); #endif /* LOG_LEVEL >= LOG_LEVEL_VERBOSE */ |