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Revision 90f59ee41abf587ad4675a70434136c8707fdf4b authored by Daniel Bristot de Oliveira on 18 February 2022, 17:57:09 UTC, committed by Steven Rostedt (Google) on 26 February 2022, 02:05:30 UTC 
rtla/osnoise: Fix error message when failing to enable trace instance
 
When a trace instance creation fails, tools are printing:

	Could not enable -> osnoiser <- tracer for tracing

Print the actual (and correct) name of the tracer it fails to enable.

Link: https://lkml.kernel.org/r/53ef0582605af91eca14b19dba9fc9febb95d4f9.1645206561.git.bristot@kernel.org

Fixes: b1696371d865 ("rtla: Helper functions for rtla")
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
1 parent 316f710
Raw File
show_mem.c 
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Generic show_mem() implementation
 *
 * Copyright (C) 2008 Johannes Weiner <hannes@saeurebad.de>
 */

#include <linux/mm.h>
#include <linux/cma.h>

void show_mem(unsigned int filter, nodemask_t *nodemask)
{
	pg_data_t *pgdat;
	unsigned long total = 0, reserved = 0, highmem = 0;

	printk("Mem-Info:\n");
	show_free_areas(filter, nodemask);

	for_each_online_pgdat(pgdat) {
		int zoneid;

		for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
			struct zone *zone = &pgdat->node_zones[zoneid];
			if (!populated_zone(zone))
				continue;

			total += zone->present_pages;
			reserved += zone->present_pages - zone_managed_pages(zone);

			if (is_highmem_idx(zoneid))
				highmem += zone->present_pages;
		}
	}

	printk("%lu pages RAM\n", total);
	printk("%lu pages HighMem/MovableOnly\n", highmem);
	printk("%lu pages reserved\n", reserved);
#ifdef CONFIG_CMA
	printk("%lu pages cma reserved\n", totalcma_pages);
#endif
#ifdef CONFIG_MEMORY_FAILURE
	printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
#endif
}
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